Hispaniolan Annulariidae (Gastropoda), primarily from the Barahona Peninsula: New taxa and notes

2012·9.9 MB·English

THE NAUTILUS 126(1):1-14, 2012 Page 1
Hispaniolan Annulariidae (Gastropoda), primarily from the
New
Barahona Peninsula: taxa and notes
G. Thomas Watters
DepartmentofEvolution, Ecology, andOrganismal Biology
Ohio State University
Columbus, OH 43212 USA
[email protected]
ABSTRACT Recent collections there and re-examination ofolder col-
lections have revealed a wealth of previously unknown
Eleven new taxa of Hispaniolan Annulariidae are described: species (Watters and Duffy (2010a, 2010b), Watters
Abbottella Abbottella urbana new species, Chondropoma
Chondropo(ma crijst)allinum new species, Chondropoma (2010)), the description ofwhich is continued here.
( )
(Chondropoma)duffyhooksorum newspecies, Chondropoma
(Chondropoma) vanattae pohjchroma new subspecies, MATERIALS AND METHODS
Chondropoma Wetmorepoma morsecodex new species,
( )
Parachondria(Parachondria)gettlemaninewspecies,Articulipoma Length is measured from the tip of the apex or decol-
srCahhooodnneaidenrnsoeepwonmseipweucmiseulsby,snpCxehcnoieenswd,rsopaepncodiemsiL,incCmihnboalnabdiarnrotespocrohumiminnnmeewweusssppaeerccciiieeissm., lmaetaesdusrpeidreastotthheemeanxdimofumthediomuetnesrioanperinturae.plWaniedtwhitihs
Basedonnewmaterial,Chondropoma Chondropoma manielen.se the aperture perpendicular to the axis of coiling. Spiral
montivagum Bartseh, 1946, is synon(ymized with t)he nominal sculpture is counted from the suture to the inside ofthe
subspecies Chondropoma Chondropoma manielen.semanielen.se umbilicus. Dimensions in captions refer to shell length.
( )
Bartseh, 1946 and Chondropoma (Chondropoma) quisquen.se Shells are solute if a portion of the final whorl is
sculptior Bartseh, 1946 is synonymized with the nominal sub- detached from the previous whorl; shells are adnate if
species Chondropoma (Chondropoma) qui.squen.se qui.squen.se they are not detached. Inner apertural lips are exserted
Bartseh, 1946. Chondropoma (Chondropomium)venniculatum if theyprotrude beyond the plane of the outerlips.
sensulatoBartseh, 1946ismovedtoCrossepomabasedonopercu- Abbreviations used in the text are: BMSM, The Bailey-
larfeatures.Thetypelocalityof Chondropoma (Chondropomium) Matthews Shell Museum, Sanibel, Florida, USA; GTW,
vBeanrnaihcounlaatPruomvisnaclel,eiDoBmaritnsiecha,n1R9e4p6ublisic.resTthreictteydpetolocCaalibtryalo,f collectionoftheauthor, Columbus, Ohio, USA; NHMUK,
Choanopomasolution Pfeiffer, 1S52isrestrictedtothesouthern Natural History Museum, London, UK; OSUM, Ohio
edge ofLos Haitises Mountains, N ofMajagual, ca. 12km NW State University Museum of Biological Diversity,
ofSabana Grande de Boya, Monte Plata Province, Dominican Columbus, Ohio, LISA; UF, Florida Museum of Natural
Republic. ThetypelocalityofChondropomaloweanum Pfeiffer, History, Gainesville, Florida, USA.
1852 is restricted to Loma del Aguaeate, Sierra Martin Gracia,
Barahona Province, Dominican Republic. Distributional and SYSTEMATICS
habitat notes are given for additional species.
Additionalkeywords: Hispaniola, Dominican Republic,habitat FamilyAnnulariidae Henderson and Bartseh, 1921
SubfamilyAnnulariinae Henderson and Bartlsch, 1921
Genus Abbottella Henderson and Bartseh, 1921
SubgenusAbbottella Henderson and Bartseh, 1921
INTRODUCTION
Type Species: Chondropoma moreletianum Crosse,
Bartseh (1946) and Watters (2006) recognized the
1873, byoriginal designation.
Barahona Peninsula of the Dominican Republic as an
area of high endemism for the Annulariidae. Bartseh Abbottella (Abbottella) urbana new species
(1946) described 21 species of Annulariidae from the (Figures 1-3)
peninsula out ol 67 for all of the Dominican Republic.
As impressive as this seems, on closer inspection it is Description (2 specimens): Shell ca. 5 mm in length,
apparent that Bartseh’s species all came from relatively turbinoid, umbilicus wide (holotype 35% of maximum
fewsites in the eastern halfofthepeninsula; thewestern width),circular,opento apex. Nuclearwhorls IVz, scarcely
half has never been adequately sampled or reviewed. demarcated from teleoconch, smooth, minute and erect.
Page 2 THE NAUTILUS, Vol. 126, No. 1
Figures 1—21. Abhottella Leiahhottella, and Chondropoma species. 1-3. Abbottella Abbottella urbana new species. Holotype,
UF446061, 4.9 mm. 4-7. L,eiahhottella soluta (Pfeiffer, 1852). 4. Illustration from Pfeif(fer (1854b:)pi. 39, fig. 8). 5-7. UF 249105,
2 km N ofMajagual, Monte PlataProvince, Dominican Republic, 11.3mmwidth. 8-9. Chondropoma (Chondropoma)cnjstallinum
newspecies. Holotype, UF446062, 15.0 mm. 10-12. Chondropoma {Chondropoma)duffijhooksorum newspecies. 10-11. Holotype,
UF 446063, 9.3 mm. 12. Paratype, OSUM 36510, 8.5 mm. 13-14. Chondropoma Chondropoma manielense Bartsch, 1946. GTYV
71671), 13 km NNE of Pedernales, Pedemales Province, Dominican Republic, (13 mm. 15-17). Chondropoma Chondropoma
qum/uense Bartsch, 1946. 15-16. GTYV 7082b, 3—4 km NWof Oviedo, Pedernales Province, Dominican Republic,( 14.0 mm. 17.)
GTYV 7082c, 10 km NW of Oviedo on Highway 44, Pedernales Province, Dominican Republic, 13.8 mm. 18-20. Chondropoma
Chondropoma vanattae poli/chroma new subspecies. 18-19. Holotype, UF 446064. 11.4 mm. 20. Paratype, OSUM 36511, 10 km
(ENE of Las Me)rcedes, Pedernales Province, Dominican Republic, 12.2 mm. 21. Chondropoma {Chondropoma) vanattae vanattae
Pilsbry, 1933. GTW7090a, Polo, BarahonaProvince, Dominican Republic, 13.5mm.
0
.
G. T. Watters, 2012 Page 3
Teleoeoncii of 3 1/4 whorls, adnate, last 1/8 whorl Abbottella solution (Pfeiffer, 1852). Henderson and Bartsch,
scarcely deflected anteriorly. Suture impressed. Peri- 1921: 75.
mm
stome double, circular (holotype 1.9 innerperistome Incertipomasolution(Pfeiffer,1852).Bartsch,1946: 171, 173-174,
diameter; 2.5 mm outer peristome diameter). Outer lip pi.30,figs.2-4.
thin, lamellate, evenly but narrowly expanded with a Rolleia? soluta (Pfeiffer, 1852). Watters, 2006: 93, 487-488.
barely perceptible auricle, lip deflected abaperturally. Leiabbottella solutus (Pfeiffer, 1852). Watters, 2010: 17-18.
Inner lip exserted, thick, short. Spiral sculpture of
Distribution: Described from the “Island of Santo
numerous, weak spiral threads (ca. 24 on final whorl), Domingo” Bartsch (1946) had no examples beyond
stronger and more widely spaced in umbilicus, weakest Pfeiffer’s description and illustration and he seemed to
on final whorl. Axial sculpture ofwidely spaced threads hint that he believed the localitywas spurious. However,
and thicker ribs, ca. 70 on final whorl. Intersections of specimens (UF249105) havesincebeencollectedat 150m,
wsphiartalsatrnodngaexriaolnsscpuilrpet.urAxeiaflosrcmulmpitnuuretefoprumsstuwleesa,kscoumsep-s csao.ut1h2erknmedNgeWofofLoSsab1a1naairiGsresanMdoeuntdaeinBso,yaN, MofonMtaejagPulaalt,a
at suture. Shell dirty white with ca. 7 faint, tan narrow Province, Dominican Republic. Specimens were collected
bands. Outer lip white with faint bands, which are
in a coffee grove at the base ofa limestone ledge in leaf
apparent on both sides of lip. Operculum, anatomy, and mulch andunderrocks (F.G. Thompson, UF, pers. comm.,
radula unknown.
January, 2011). The type locality ofChoanopoma solution
Holotype: UF 446061 Pfeiffer, 1852 is herein restricted to 150 nr, southern
edge ol Los Haitises Mountains, N of Majagual, ca. 12 km
NW
Type Locality: ParqueCentral, offJoseContreras Blvd., of Sabana Grande de Boya, Monte Plata Province,
NoftheLoteriasuburbofwesternSantoDomingo,Distrito Dominican Republic, 19.05° N, -69.83° W.
Nacional, Dominican Republic, 18.44° N, -69.97° W.
SubfamilyChondropomatinae Hendersonand Bartsch, 1921
OSUM
Paratype: 36509, from the type locality Genus Chondropoma Chondropoma Pfeiffer, 1847
(1 specimen). ( )
Subgenus Chondropoma Pfeiffer, 1847
Distribution: Lowlands just west of Santo Domingo,
Dominican Republic. Type Species: Cijclostoma sagra d’Orbigny, 1842, by
subsequent designation ofPetit de la Saussaye, 1850.
Habitat: Limestone slabs.
Chondropoma (Chondropoma)crystallinwnnewspecies
Comparison with Other Species: Only one other (Figures 8, 9)
species has presumably been found in the vicinity of
Santo Domingo, Abbottella moreletiana domingoensis Description (Holotype): Shell 15.0 mm maximum
Bartsch, 1946. That taxon differs from A. urbana in its length, including peristome x 13.2 mm maximum width,
much larger adult size (ca. 12 mm diametervs. ca. 6 mm includingperistome, fragile, translucent, turbinate, umbi-
forA. urbana), in having a much wider outer lip, and in licus moderately wide (20% of maximum width).
having coarser sculpture (ca. 60 axial ribs vs. ca. 70 in Protoconch whorls present in adult, IV2 whorls, not
A. urbana). Abbottella urbana is similar to Abbottella demarcated from teleoeonch, smooth, minute but erect,
moreletiana gabriella Bartsch, 1946, but is even smaller with a diffuse brown peripheral band. Teleoeonch ol
(ca. 8.6 mm diameter for A. m. gabriella), has more 4 whorls, adnate. Suture deeply impressed. Peristome
numerous axial ribs (53 in A. m. gabriella), and has double, oval (6.2 mm diameter maximum inner aper-
more spiral threads (ca. 24 in A. urbana vs. 17 in A. m. ture height x 5.3 mm diameter maximum inner aper-
gabriella). Additionally, Abbottella moreletiana gabriella ture width; 8.8 mm diameter maximum outer peristome
is only known from Isla San Gabriel in Samana Bay in height x 7.3 mm diameter maximum outer peristome
the easternmostpart ofthe island. width). Outer lip thin, expanded perpendicular to whorl,
nearly evenly produced around peristome, adnate, lack-
Etymology: L. urbanus, ofthe city, in reference to the ing an auricle. Inner lip barely exserted, simple. Spiral
type localityofthe species. sculpture present as sharp, narrow threads, weakest at
Genus Leiabbottella Watters, 20 periphery, ca. 39 on finalwhorl includingumbilicus. Axial
1 sculpture present only as numerous, minute beads on
Type Species: Leiabbottella galaxius Watters, 2010, spiral threads. Suture with minute denticles. Teleoeonch
byoriginal designation. ol faint bronze color, with 3 faint rows ol narrow, widely
spaced bands of darker spots at, just above, and below
Leiabbottella solutus (Pfeiffer, IS52) midline, most prominent on earlier whorls; umbilicus
(Figures 4-7) brown. Outer lip of peristome and portion of final whorl
immediatelybefore lip arewhite, unpattemed. Innerperi-
Choanopomasolution “Richard” Pfeiffer, 1852: 167. stome bronze. Operculum, anatomy, and radulaunknown.
Cyclostomasolution (Pfeiffer, 1852). Pfeiffer, 1854b: 295, pi. 39,
figs. 8-10. Holotype: UF 446062.
Page 4 THE NAUTILUS, Vol. 126, No. 1
Type Locality: 22 km N ofPedemales, offroad HH to Comparison with Other Species: Chondropoma
Agua Negra, at 460 m, Pedernales Province, Barahona duffyhooksorum is related to Chondropoma catalinen.se
Peninsula, Dominican Republic, inclearedfieldonsouth- Bartsch, 1946 from Isla Catalina off La Rornana, ca.
ern slope ofthe Sierrade Baoruco. 18.10° N, -71.64° W. 64 km E ofBoca Chica. Chondropoma duffyhooksorum
mm
differs in being smaller (ca. 9 vs. ca. 12 in length),
Distribution: Known only from the type locality. in the more pronounced spiral sculpture, in the nearly
completely adnate final whorl (solute for l/6fl1 of the
Habitat: This species was found with live and dead final whorl in C. catalinense) and in the better defined
individuals of Chondropoma manielen.se Bartsch, 1946 and continuous brown spiral, bands. No similar forms
and Articulipoma rhodei new species in a cleared field have been found between Isla Catalina and Boca Chica.
ofrocks with little top soil. The specimens also greatly resemble the crude illus-
trations of Cyclostoma clominicense Pfeiffer, 1850 given
Comparison with Other Species: This remarkable
by Pfeiffer in 1854b (pi. 38, figs. 9, 10). However,
species is unlike any other Hispaniolan Chondropoma. Watters (2006) placed that species in Colonina based on
The combination ol large size, translucent shell, and examination ofthe syntype lot (NHMUK 1996132) and
nearly unicolored whorls with contrasting white peri- synonymized Haitipoma catalinense Bartsch, 1946 with
stome is unique. Itis similarto C. manielense, withwhich it. Thus Chondropoma catalinense Bartsch, 1946 and
it is found, in possessing the similar sculpture of spiral Colonina clominicense (Pfeiffer, 1850) are both endemic
threads regularlyproduced into minutepoints; this sculp- to Isla Catalina and are veiy similar in appearance but
ture is finer and less coarse in C. crystallinum than in actuallybelongto different genera.
C. manielense. In addition, Chondropoma manielense is
smaller, more solid, andusuallyboldlypatterned. Etymology: NamedforGlenn DuffyandRandyHooks,
Etymology: L. crystallinum ofcrystal, in reference to who have generously contributed many annulariid speci-
the glassy, translucent shell. , mens forstudy.
Chondropoma Chondropoma duffyhooksorum Chondropoma (Chondropoma) manielense
new species ( ) Bartsch, 1946
(Figures 0-12) (Figures 13, 14)
1
mm Chondropoma (Chondropoma) manielense manielense Bartsch,
Description (2 specimens): Shells S.5-9.3 in
ilnecnlgutdhin(ghpoleortiyspteome9.3x 4m.8mmmmamxaixmiummumlewnigdtthh,dienccolluldaitne,g Chon11d99r44o66p::o55m33,a,pp(ii..Ch110o0,,ndffiirgg.o.p23.o.ma) manielense rnontivagurn Bartsch,
peristome), high-spired, umbilicus narrow. Protoconch
whorls decollate in all examples studied. Teleoconch of Discussion: Bartsch (1946) described two subspecies
4 whorls, solute just before peristome. Suture minutely basedondifferencesinsizeanddegreeofcoloration;both
channeled. Peristome double but fusmemd to form a single subspecies originated from the region of Manuel Viejo
lmmipuu,mmteiainrnnndeerrroapap-peserhrttauuprreeedwih(dehtiohgl)ho.ttyOpuxete23r..70limp tmhindd,iinaaommteetteeexrrpammnaadxxeiid-- ciMnuarnrtieheneltVBmiaaerpjasoh,otontahBeaProetfnfsiiccnhisaulalnand.amaWpehpieilsaerMiavnnagruiaeoslusslVuyicehjkono.noIwnsnotmhaees
except for a minute auricle. Inner lip adherent to outer several collections reported here (GTW 7167a-d) adult
lip, simple. Spiral sculpture ofca. 25 narrow, lowthreads, specimens from the same localityrangein size from 10to
widely spaced. Axial sculpture ofirregularly spaced, nar- 15 mm maximum length and vaiy from darkly colored to
row threads (ca. 58 on final whorl), produced into min- nearly white. There is no reason to maintain these two
ute, vertical pustules at intersections with spiral threads. taxa as distinct and the subspecies C. (C.) manielense
Suture serrate but without cusps or tufts. Teleoconch tan rnontivagurnBartsch, 1946ishereinsynonymizedwiththe
with 6darker, interruptedspiralbands equallyspacedfrom nominal subspecies. It is curious to note that some spec-
suturethroughumbilicus. Operculumthin,paucispiralwith imenshave asingleperistomewhereas odiers have adou-
a fine granular deposit. Anatomy and radula unknown.
bleperistome.
Holotype: UF446063. The records here extend the range of this species to
the southern slope of the Sierra de Baoruco north of
Type Locality: On an oldhouse, BocaChica, at nearly Pedernales, where it occurs under rocks in fields and in
sea level, Santo Domingo Province, Dominican Republic, outcrops at 500-700 m. The overall range appears to be
18.46° N, -69.61° W. the southern slopes ofthe Sierra de Baoruco across the
entire BarahonaPeninsula.
Paratype: OSUM 35610, from the type locality
(I specimen). Chondropoma (Chondropoma) quisquense
Bartsch, 1946
Distribution: Known only from the typo locality. (Figures 15-17)
1
G. T. Watters, 2012 Page 5
Chondropoma (Chondropoma) quisquense quisquense Bartsch, sional fine threads in between (ca. 70 cords on final
1946: 61,pi. 11, fig. 1. whorl). Intersections of axial and spiral sculpture barely
Chondropoma (Chondropoma) quisquense sculptior Bartsch, produced into pustules, strongest on spire. Sculpture has
1946: 61-62, pi. 11, fig. 2. texture of coarse cloth. Suture serrate but lacks cusps
or tufts. Teleoeoneh with a light tan base with irregular
Discussion: Bartsch (1946) described C. quisquense dark brown blotches arranged in loose axial anti spiral
quisquense fromTrujin andC. quisquensesculptiorfrom bands. Final l/S1^11 offinalwhorlwithapinkish hue. Inside
Manuel Viejo, both in the southeastern portion of the of peristome orange. Operculum thin, paucispiral with a
Barahona Peninsula. Recent collections from the Oviedo fine granulardeposit. Anatomyand radulaunknown.
region (near Bartsch’s Trujin, GTW 7082b) and Manuel
Golla (15 km W of Oviedo, GTW 7082c) indicate that Holotype: UF 446064.
this species occurs in the lowlands around the south- Type Locality: 9km NE ofLas Mercedes, Pedernales
eastern edge ofthe Sierra de Baoruco. Specimens were m
found in fields with large hardwood trees. Bartsch dif- Province, Dominican Republic, at 1000 on trees in
ferentiated the two subspecies based on the degree to pine forest, 18.12° N, -71,57° W.
wschuilcphtutrhee. fTinhael wnheowrlcwoalslecstoilountse arnepdotrhteedsthreernegthinocflutdhee P(1araspteycpiemse:n);BMNSHMMU17K94420(111s0p3e3c5ime(n1);spOeSciUmeMn)3.65A1ll
both subspecies within a single lot as well as intergrades. paratypes from 10 km NE of Las Mercedes, Pedernales
Therefore these two taxa are not considered distinct Province, Dominican Republic, at 1300 m in pine forest,
and C. (C. quisquense sculptior Bartsch, 1946 is herein 18.13° N, -71,56° W.
)
synonymizedwith the nominal subspecies.
Distribution: Chondropoma vanattae pohjchroma is
Chondropoma (Chondropoma) ranattae sensu Into known from 9-10 km NE of Las Mercedes at 1000-
Pilsbry, 1933 1300 m. Chondropoma vanattae vanattae Pilsbry, 1933
was described from “Station 85, Sr. Del Monte’s planta-
Chondropoma vanattae Pilsbry, 1933: 124, pi. 6, figs. 8, 9. tion,” which was in a “verdant gully. 5-6 miles west of
Chondropoma (Chondropoma) vanattae Pilsbry, 1933. Bartsch, Barahona as the crow flies” at 1000. .m. Bartsch (1946)
1946: 52, 70-71, pi. 12, fig. 3. added records from 3 km N of Manuel Viejo at 1000 m.
This species breaks up into three subspecies across The specimen of C. vanattae vanattae illustrated here
GTW
the Chaine de la Selle mountain range, from east to (Figure 21, 7090a) is from Polo at 610 m.
west: C. vanattae vanattae Pilsbry 1933 in the extreme Chondropoma vanattae verettense Bartsch, 1946, was
eastern part of the Sierra de Baoruco; C. vanattae described from Fonds-Verette, Haiti, at ca. 800 m. As a
polychroma new subspecies on the southern slope of whole, this species occurs in the Chaine de la Selle
the western Sierra de Baoruco; and C. vanattae mountain range from ca. 600-1300 m but intergrades
verettense Bartsch, 1946 from the Fonds-Verette region are not known between the subspecies.
of the Massifde la Selle in Haiti. Habitat: On trees in pine forests at ca. 1000-1300 m.
Chondropoma (Chondropoma) vanattae pohjchroma Comparison with Other Species: Chondropoma
newsubspecies
vanattae pohjchroma differs from other subspecies of
(Figures 18-20)
C. vanattae in its coarser sculpture, more vivid colora-
mm tion, and in particular its orange aperture.
Description (4 specimens): Shell 11.4-12.3 in
length (holotype 11.4 mm maximum length, including Etymology: Gr. poly, many + Gr. chroma color, many
peristome x 6.8 mm maximum width, including peri- colored,inreferencetothecolorfulappearanc,eoftheshell.
stome), solid, conic, umbilicus narrow (holotype 7% of
maximum width). Protoconch whorls retained in adults, Genus Chondropoma Bartsch, 1946
114whorls, scarcelydemarcatedfrom teleoeoneh, smooth,
Subgenus Wetmorepoma Bartsch, 1946
minute but erect, a diffuse brown band at periphery
and a darker band at suture. Teleoeoneh of 4 whorls, Type Species: Chondropoma Wetmorepoma wetmorei
solute just before peristome. Suture impressed but not Bartsch, 1946, by original design(ation. )
channeled. Peristome single, tear drop-shaped (holo-
mm
type 4.0 diameter maximum inner aperture height x Discussion: This subgenus was based on a single spe-
3.2 mm diameter maximum inner aperture width), nar- cies, Chondropoma wetmorei Bartsch, 1946 from Isla
row, barely expanded, lacking an auricle but posterior Beata off the southern tip ol the Barahona Peninsula.
edge of lip forming 90° angle, inner lip just touching Watters and Dully (2010a) added C. (W.) oculeum from
previous whorl. Spiral sculpture ofirregularly spaced low the Cabo Rojo/Pedernales areaol thewesternpeninsula.
cords ofvariouswidths, ca. 25onfinalwhorl, cords absent A third species is described here from E ofCabo Rojo
immediately below suture. Axial sculpture of irregularly westward to Oviedo. The subgenus was created by
spaced, wide, rounded cords ofvarious widths with occa- Bartsch (1946) for elongate Chondropoma lacking any
.
Page 6 THE NAUTILUS, Vol. 126, No. 1
spiral sculpture except in the umbilicus. This subgenus (Figures 24, 25) and C. oculeum (Figure 50) in being
appears to be a true endemic ofthis peninsulaoccurring larger, having a wider peristome, and having a distinct
in the lowlands of the south and west, including; Isla pattern of dark brown rectangular spots and dashes
Beata. Further genetic research will probably show arranged in irregularly spaced axial bands, occasionally
Wetmorepoma to be a subgenus of Chondropomium as a single unbroken band (C. wetmorei lias large, bold,
ratherthan Chondropoma. round spots, C. oculeum has smaller, fainterspots).
Chondropoma (Wetmorepoma) morsecodexnewspecies Etymology: Morse + L. codex, writing, Morse code,
in reference tothe linearseries of dots anddashes onthe
(Figures22, 23)
shell (on the holotype, from anterior to posterior, dot,
Description (21 specimens): Shells 10.0-13.0 min in dot, dot, dash = “V”). Anoun in apposition.
length, decollate (holotype 13.0 mm maximum length,
decollate, including peristome x 6.0 mm maximum Genus Parachondria Dali, 1905
width, including peristome), translucent, high-spired,
Subgenus Parachondria Dali, 1905
umbilicus narrow. Protoconch whorls decollate in all
specimens examined. Teleoconch of 4 whorls, last 1/4*1 T>pe Species: Turbo fascia Wood, 1828, by original
turn free frompreviouswhorl. Suturesharplyimpressed. designation
mm
Peristome double, tear drop-shaped (holotype 3.6
diameter maximum inner aperture height x 2.8 mm Parachondria (Parachondria)gettlemani new species
diameter maximum inner aperture width; holotype (Figures 2G-28, 58)
4.9mmdiametermaximumouterperistomeheight,includ-
ing auricle x 4.3 mm diameter maximum outerperistome Description (7 specimens): Shell 13.9-14.6 mm in
wniadrtrho)w.esOtutfearcilnigp utmhibni,liecxups,anwdieddespterapnetnedriicourlaarndtomwehdoirall,, pleenrgitshtom(eh,oldoetcyoplelat1e3.9x m7.m7 mmmaxmiamxuimmulmengwtihdtihncilnucdliudn-g
solute from previous whorls, minute auricle present. ingperistome), solid, high-spired, umbilicus narrow (holo-
Inner lip barely exserted, simple. Spiral sculpture pres- type 8% ofmaximum width). Protoconch whorls decollate
ent only as two very feeble cords within umbilicus. Axial in some adult specimens, retained in others, IV2 whorls,
sculpture ofveryweak,wide, lowribs, nearlyobsolete on scarcelydemarcated from teleoconch, smooth, minute but
most of shell, strongest on last lA of final whorl. Suture erect, white. Teleoconch of5whorls, adnateexceptforjust
smooth. Teleoconch glossywhite with irregularlyspaced behind peristome. Suture minutelychanneled. Peristome
mm
aixnitaolabasnodlsidofaxtiaaln sbpaontds ainndsdoamsehess,pefcoiumrentos.abOapnedr;cfuulsuemd imsimungumlme, itneanrerdraoppe-rsthuarepehde(ihgohltotxype3.45.8mm ddimiaammmeetteerrmmaaxxi--
paucispiral, corneous. Anatomyand radulaunknown. inner aperture width; holotype 6.0 diameter
maximum outer peristome height, including auricle x
Holotype: UF 446065. 4.6 mm diameter maximum outer peristome width). Lip
Type Locality: Ca. 9.3 km NW of Manuel Golla, ea. tuhmibni,liecxupsa,nbdaerdelpyerapdennadtiectuolaprretvoiowuhsorwlh,ornlasr.roSwmeasltlftarciiann-g
140 m, off Highway 44, Pedernales Province, Barahona gular auricle. Spiral sculpture present only as 2 barely
Peninsula, Dominican Republic, under rocks, 17.94° N, perceptible cords within umbilicus. Axial sculpture of
-71.65° W.
regularly spaced, narrow threads (ca. 90 on final whorl),
Paratypes: OSUM 36512 from the ripe locality interstices smooth. Suture broken by axial lamella as
(1 specimen); UF 249171, from 210 m, 17 km NW of minute cusps, groups of 3-6 cusps slightly larger.
Teleoconch tan with or without a pattern ofsmall spots
Oviedo, Pedernales Province, Dominican Republic.
W and fine zigzag tan markings that may coalesce to form
17.92° N, -71,51° (15 specimens).
vague, narrow bands; all specimens seen have a wide
Other Material Examined: Jesus Santana Benitez brownbasalbandcomposedofblurred,darkbrownspots;
coll., 13.5 km W of Oviedo, Pedernales Province, there may be narrow bands between this basal band and
Dominican Republic (4 specimens). umbilicus; wide brown band deep within umbilicus;
pseudotufts white. Operculum thin, paucispiral with a
Distribution: Lowland valley aloiig Higllway 44 from granulardeposit. Anatomyand radulaunknown.
Oviedo to at least Manuel Golla, southern Barahona
Peninsula. Holotype: UF446066.
Habitat: Specimens were found under rocks on a hill Type Locality: Virgen de San Rafael, ca. 200 m, ca.
slope with limestone outcrops next to recently cleared 7 km NNE of Parafso, Barahona Province, Barahona
agricultural land. Peninsula, Dominican Republic, on trees. 18.05° N,
-71.12° W.
Comparison with Other Species: This is the third
species described in this subgenus, all from the Paratypes: BMSM 17945(1 specimen);UF446067,juve-
Barahona Peninsula. It differs from both C. wetmorei nile (1 specimen), OSUM 36514, juveniles (2 specimens);
G. T. Watters, 2012 Page 7
Figures 22-42. Chondropoma, Parachondria Articulipoma, and Chondropomium species. 22-23. Chondropoma
Wetmorepoma morsecodexnewspecies. Holotype,,UF446065, 13.0mm. 24-25. Chondropoma Wetmorepoma wetmorei Bartsch,
n(19e4w6.sGpeTciWes.71266)1-a2,7I.slaHoBleoattyap,eP,edUeFrna4l4e6s06P6r,ovi1n3c.e9,mDmo.min2i8.caPnarRaetpyupbel,icN, H11M.3UmKm.202161-02383.6,Pa1r4a.c3(homnmdr,iafr(Poamratcyh)poendlrociaali)tyg.et2tl9e-m3a1n.i
Articulipoma rliodei newspecies. 29-30. Holotype, UF 446068, 17.0 mm. 31. Paratype, OSUM 36515, 15-20km NE ofCabo Rojo,
Pedernales Province, Dominican Republic,W14.5 mm. 32-33. Articulipoma loweanum (Pfeiffer, 1852). 32. Syntype, NHMUK 42/10,
“St. Domingo,” 17 mm. 33. UF 249153, slope of Loma del Aguacate, Sierra Martin Gracia, Barahona Peninsula, Dominican
Republic, 14.8 mm. 34-35. Chondropomium blaineorum new species. Holotype, UF 446070, 13.0 mm. 36-37. Chondropomium
eusarcum saonaense new subspecies. Holotype, UF 446071, 13.2 mm. 38. Chondropomium eusarcum cataliniten.se (Bartsch, 1946).
GTW7464a, IslaCatalinita,Dominican Republic, 12.2mm. 39-41. Chondropomiumlynxnewspecies. 39-40. Holotype, UF446072,
19.6 mm. 41. Paratype, OSUM 36519, Playa Los Patos, Barahona Province, Dominican Republic, 19.0 mm. 42. Chondropomium
swiftiiweinlandi (Pfeiffer, 1862). GTW7087c, 14km N ofBarahona, BarahonaProvince, Dominican Republic, 20.7mm.
Page 8 THE NAUTILUS, Vol. 126, No. 1
NHMUK 20110336, adult (1 specimen); all from die type Articulipoma rhodei new species
locality;OSUM36513,from15kmSofBarahona,Barahona (Figures 29-31)
Province, BarahonaPeninsula, Dominican Republic, on
trees, 18.08° N,-71.08°W. Adult (1 specimen). Description (11 specimens): Shells 13.0-17.0 mm in
length, decollate (holotype 17.0 mm maximum length,
Distribution: Known only from the area from decollate, including peristome x 11.7 mm maximum
La Cienaga to Paraiso, in the narrow coastal plain width, including peristome), translucent, ovate-conic,
between the mountains and the sea in the eastern umbilicus moderately narrow (holotype 13% ofmaximum
Barahona Peninsula. width), partially covered by inner margin of outer lip.
Habitat: On trees and rock fences; some specimens Protoconchwhorls decollate in adults, IV2whorls, scarcely
demarcated from teleoconch, smooth, minute but promi-
were found nearawaterfall (Figure 58). nent, a diffuse, brown, peripheral band may be present.
Comparison with Other Species: Parachondria Teleoconch of4 whorls, last 1/4* turn free from previous
gettlemani differs from P. kazikus (Bartsch, 1946) and whorl. Suture impressed and minutely channemlmed. Peri-
stome double, tear drop-shaped (holotype 6.8 diame-
tPad.henesylcirpsnirpdbieeresnadeilnacnfseucrsuoolmfpstefun“arsDleusoemoliutanuttfiosticsd.(aeWnePiaonRfrleaaptcnuhhdebo,lniducmr1”bi8ia8l0bi)kucatuizsnihkaulassancdkwniaonistng tmmeaarxxmiiammxuuimmmoiuuntmneerirpnaenpreeirrsttauoprmeeertwhuierdiegthhth;,ehiiognlcholttuydxipneg59.a.2u8rmimcmlme xddii8aa.mm2eemtteemrr
been further localized. Parachondria lindenianus has a diameter maximum outer peristome width). Outer lip
narrow range on the Massif de la Selle from Port-au- thin, expanded perpendicular to whorl, widest facing
Prince to Fonds-Verette, Haiti. Parachondria gettlemani umbilicus, which itpartiallycovers, solute from previous
is only known from the area of La Cienaga, specifically whorls in holotype but adnate in other examples. Promi-
Virgen de San Rafael, ca. 15 km south of Barahona, on nenttriangularauricleandwideinnerportionofouterlip
the eastern coast of the Barahona Peninsula of the reflectedforward, cup-like. Innerlip somewhatexserted,
Dominican Republic. simple, prominent. Spiral sculpturepresentonlyas faint,
This new species resembles members of Bartsch’s wide undulations ofaxial threads, strongest near suture,
present as 4-5 barely perceptible cords within umbili-
(1946) Lindenipoma, which was synonymized with
cus. Axial sculpture ofregularly spaced, narrowthreads
Parachondria by Watters (2006). This species is a good
example ol the reasoning behind that action. (ca. 190 on final whorl), interstices smooth, having a
wavy or scalloped appearance. Suture broken by axial
Lindenipoma was described by a small suite offeatures
lamella as minute cusps. Every 6-10 small cusps are
including the presence ofspiral threads over the whorls.
followedby3-4enlargedbutunfusedcusps.Teleoconch
Parachondria gettlemani has all ofthe characteristics of
silkyin texture, bronze, purplish, tan, or orange with or
Lindenipoma but lacks spiral sculpture except for a few
without a pattern of fine zigzag tan markings that
cords within the umbilicus. Bartsch (1946) further noted
may coalesce to form bands. Suture brown with white
that Lindenipoma lacked false tufting on the suture,
pseudotufts. Operculum thin, paueispiralwith agranular
which P. gettlemani possesses. It was this patch-work deposit. Anatomy and radula unknown.
andinconsistentassortmentoffeaturesthat Bartschused
to delimit some ofhis taxa that resulted in their synon-
ymy and inclusion into more broadly defined genera by Holotype: UF 446068.
Watters (2006).
Type Locality: 15 km NNE ofPedernales, on road to
Etymology: Named for Alan Gettlenran of Merritt Agua Negra, Pedernales Province, Barahona Peninsula,
Island, Florida, tireless and generous collector of land Dominican Republic, on moist limestone cliff on the
snails, who collected part ofthe type lot. southern slope of the Sierra de Baoruco. 18.10° N,
-71.64° W.
SubfamilyTudorinae Watters, 2006
GenusArticulipoma Bartsch, 1940 Paratypes: OHSHUM 36515, 15-20 km NE of Cabo
Rojo, offRoad (2 specimens), ca. 18.09° N, -71.72°
TBayrptesch,Sp1e9c4i6e,s:byoCrhigoinnadlrdoepsoimgnaati(oAnr.ticulipoma) caroli WAN;gHuBaMMUNSKeMgr2a01.1719401638,3.711,53°1k3mNk,NmN-N7E1N.Eo7f0°oPfedPWeerdnear(ln2easl,sepsoe,ncoirmnoearndosa)t;do
W
Discussion: Watters (2006) raised Articulipoma to to Agua Negra. 18.15° N, -71.70° (2 specimens); UF
generic status. Species occur from the Chaine de la Selle 446069, 9.5 km NNE ofWPedernales, on road to Agua
mountain range, including the Sierra de Baoruco in the Negra. 18.12° N, -71.72° (4 specimens).
Dominican Republic, east almost to Punta Salinas. They
are characterized by axial lamellae that have an undulat- Distribution: Known from several localities on the
ing or scalloped aspect. Most Articulipoma species are southernslopeofthe Sierrade Baoruco N of Pedernales,
quite rare in collections. Pedernales Province, Dominican Republic.
G. T. Watters, 2012 Page 9
Habitat: Associated with limestone outcrops. Speci- Chondropomium was erected lor Chondropoma that
mens have been found to ca. 1000 m. Dead spec- lacked spiral sculpture outside of the umbilical region.
imens have been found in cleared land adjacent to But the suite of ‘'Chondropomium "-type fea—tures that
agricultural fields. has emerged based on additional material typically
large sizedwith atear drop-shaped, narrowly expanded
Comparison with Other Species: Articulipoma peristome; high spire; usuallyun—fused sutural serrations;
rhodei is most similar to A. cciroli (Bartsch, 1946), but and undulating axial sculpture is present in species,
differs in being more rotund, more compact, and gener- unknownto Hendersonor Bartsch, with spiral sculpture.
mm mm
ally larger (13-17 in length in A. rhodei, 11-13 Itisclearthatareorganization ofspecieswillbe necessary
in A. caroli). Articulipoma caroli occurs in a narrow in the future based on phylogenetic studies. For now it
range on the northern side ofthe Massif de la Selle from appears that Chondropoma marmoreum Watters and
Croix des Bouquets to Bodarie, Haiti. Articulipoma Duffy, 2010 may also be a member ofChondropomium.
rhodei is onlyknown from the region ca. 10-15km north Chondropomium hooksi and C. ah/shae both Watters
of Pedernales on the southern side of the Sierra de and Duffy (2010a), may belong to an un,named genus,
Baorueo, Dominican Bepublic. Articulipoma woodringi as suggestedbyWatters and Duffy (2010a).
Bartsch, 1946 differs from A. rhodei in lacking the pro-
nounced auricle and in having averynarrowly expanded Chondropomium hlaineorum newspecies
peristome on the inner lip (in contrast this is the widest (Figures 34, 35)
portion in A. rhodei). Articulipoma rhodei occurs in
association with Chondropoma maneilense Bartsch, 1946 Description (2 specimens): Shells ca. 13.0 mm in
and Chondropoma cnj.stallinum newspecies. length, decollate (holotype 13.0 mm maximum length,
decollate, includingperistome x 8.8mm maximumwidth,
Etymology: Named for Homer Rhode ofEnglewood,
includingperistome), solid, conic, umbilicusrathernarrow
Florida, accomplished collector ofland snails for nearly (holotype 11% of maximum width). Protoconch whorls
60 years (he accompanied such luminaries as Archie
Jones and Edmund Winte), who collected portions of decollate in all specimens examined. Teleoeonch of
314 whorls, final whorl solute for last l/6fl1 of whorl.
the type lot ofthis species.
Suture minutely channeled. Peristome single, tear
Articulipoma loweanum (Pfeiffer, 1852) idnrnoepr-sahpaepretdure(hohleoitgyhpte,x5.31.5mmmm ddiiaammeetteerr mmaaxxiimmuumm
(Figure 32, 33)
inner aperture width). Outer lip narrow, not expanded,
Chondropoma loweanum Pfeiffer, 1852: 281. minute auricle present. Spiral sculpture present only as
Cyclostoma loweanum (Pfeiffer, 1852). Pfeiffer, 1854c: pi. 47, 7-8 very feeble cords within umbilicus. Axial sculpture of
figs. 15-16. narrow, closely spaced, low ribs, nearly obsolete on final
Chondropoma (Chondropomium) loweanum Pfeiffer, 1852. whorl, forming minute cusps at suture. Suture serrate.
Henderson and Bartsch, 1921: 60. Teleoeonch base colorpaletanwith narrowdarkerbands
Chondropoma (Articulipoma)loweanum (Pfeiffer, 1852). Bartsch, having zigzag markings between them axially arranged;
1946: 40,48-49,pi. 8, fig. 3. umbilicus and peristome white. In paratype bands are
Articulipomaloweanum (Pfeiffer, 1852). Watters, 2006: 58, 337. wider and markings more diffuse. Operculum, anatomy,
Distribution: Described from “Haiti,” the label to the and radulaunknown.
type (Figure 32, NI4MUK 42/10) reads “St. Domingo.”
Both localities refer to the island of Hispaniola rather Holotype: UF 446070.
than to a more specific place. Bartsch 1946) had no
examples beyond a photo of the type. S(pecimens (UF Type Locality: ca. 9.3 km NW of Manuel Golla, ca.
249153) have since been collected on the western slope 140 m, offHighway 44, Pedernales Province, Barahona
of Lonia del Aguaeate at 850 m in the Sierra Martin Peninsula, Dominican Republic, under rocks. 17.94° N,
Gracia E ofthe BarahonaPeninsula, Barahona Province, -71.65°W.
Dominican Republic. The type locality ofChondropoma
loweanum Pfeiffer, 1852 is herein restricted to Loma del Paratype: OSUM 36516, from the type locality
Aguaeate, Sierra Martin Gracia, Barahona Province, (1 specimen).
Dominican Republic, ca. 19.10° N, -71.37° W.
Distribution: Known only from the type locality.
Genus Chondropomium Hendersonand Bartsch, 1921
Type Species: Chondropoma weinlandi Pfeiffer, 1862, Habitat: Specimens were found under rocks on a hill
slope with limestone outcrops next to recently cleared
byoriginal designation.
agricultural land. No live-taken specimens are known.
Discussion: As more material becomes available from
the BarahonaPeninsulathe lines between Chondropomium Etymology: Named for Matt and Dona Blaine, who
and Chondropoma have become increasingly blurred. helped collect the type lot.
Page 10 THE NAUTILUS, Vol. 126, No. 1
Comparison with Other Species: This small species Comparison with Other Species: Chondropomium
resembles Chondropoma eusarcum sensu lato (Pfeiffer, eusarcum saonaense is somewhat similar to
1854), which on the southern coast is only known from Chondropomium eusarcum catalinitense (Bartsch, 1946)
Isla Catalinita and Isla Saona, some 300 km E of (Figure 38), which occurs less than 4 km away on Isla
the range of C. blaineorum. The nominal subspecies, Catalinita. Chondropomium eusarcum catalinitense is
C. eusacrum eusarcum has not been localized, but colored a uniform pinkish brown with only the faintest
,
differs from C. blaineorum in havingmuch coarser sculp- trace ofcolorbands (C. e. saonaenseiswhitewithobvious
ture, particularly on the body whorl where sculpture is bands), has an orange aperture (white in C. e. saonaense),
nearly absent in C. blaineorum, and in having a different and has axial ribs that are much narrower and more
colorpattern. thread-like than those ofC. e. saonaense.
Chondropomium eusarcum is amongthe smallest spe-
Chondropomiumeusarcum sensu lato(Pfeiffer, 1852) cies ofthe genus. Ifthe subspecies describedby Bartsch
(1946) truly are conspecific then it also has one of the
Chondropoma eusarcum Pfeiffer, 1852: 281. widest and most fragmented ranges of any Hispaniolan
Cyclostoma Chondropoma eusarcum (Pfeiffer, 1852). Pfeiffer, annulariid. The nominal subspecies was described
( )
1854a: 143. from “Santo Domingo” and has not been localized.
Cyclostoma eusarcum (Pfeiffer, 1852). Pfeiffer, 1854e: pi. 48, Chondropomium eusarcum puertoplatense (Bartsch,
figs. 1, 2. 1946) from Puerto Plata is the only Chondropomium
Chondropoma (Chondropomium) eusarcum Pfeiffer, 1852. known from the northern halfofthe island. Described
Henderson and Bartsch, 1921: 60. from Isla Catalinita, Chondropomium eusarcum
Chondropomium eusarcum (Pfeiffer, 1852).Watters, 2006: 254. catalinitense is found 280km awayon the southeastern
Chondropomiumeusarcumsaonaense newsubspecies end of Hispaniola (Watters (2006) speculated that
Bartsehs locality of Catalinita Island was an error for
(Figures 36, 37)
Catalina Island, however, Catalinita Island is a separate
Description (2 specimens): Shells 13.2-14.1 m in place). The subspecies described hereis from Isla Saona,
length, decollate (holotype 13.2 mm maximum length, adjacenttoIslaCatalinita. Geneticanalysis mayeventually
decollate, includingperistome x 8.1 mm maximum width, determine that these four subspecies are notconspecific.
including peristome), solid, conic, umbilicus rather nar- Chondropomium lynx new species
row (holotype 13% of maximum width). Protoconch
(Figures 39-41, 58)
whorls decollate in all specimens examined. Teleoeoneh
of 4 whorls, final whorl adnate. Suture minutely chan- mm
Description (3 specimens): Shells 19.1-19.6 in
neled. Peristome double but outer and inner lips fumsemd length, decollate (holotype 19.6 mm maximum length,
tdoiafmoertmeramsaixngilmeulmip,intneearradpreorpt-usrheahpeeidgh(thoxlo4t.y0pmem5.5diam- decollate, including peristome x 10.4 mm maximum
width, including peristome), solid, high-spired conic,
eter maximum inner aperture width). Outer lip narrowly umbilicus rather narrow (holotype 11% of maximum
expanded, narrowest on inner margin, small, wide auricle
present. Spiral sculpture present only as 4-5 very feeble width). Protoconch whorls decollate in all specimens
examined. Teleoeoneh of4 whorls, last 1/411' turn solute.
cords within umbilicus. Axial sculpture of narrow, closely
Suture minutelychanneled. Peristome single, tear drop-
spaced, low ribs, nearly obsolete on final whorl, forming shaped (holotype 7.2 nun diametermaximuminneraper-
minute cusps at suture. Suture serrate. Teleoeoneh base ture height x 5.0 mm diametermaximuminneraperture
color glossy white with three broken spiral bands, one
width). Outer lip narrow, solute from previous whorls,
above, one at, and one below periphery, composed of minute auricle present. Spiral sculpture present only as
brown rectangular spots, nearly forming a continuous
threeveryfeeble cords within umbilicus. Axial sculpture
band at base; peristome white with bands showing
ofwide, closely spaced, low ribs, strongest on last 14 of
through. Operculum thin, paucispiral with a fine gran-
final whorl, ea. 90 on final whorl, forming minute cusps
ular deposit. Anatomy and radula unknown.
at suture. Suture serrate. Teleoeoneh base eolortan with
Holotype: UF 446071. five broken spiral bands, three above, one at, and one
belowperiphery, composed of darkbrown spots, blurred
Type Locality: Northeastern Isla Saona, Dominican and repeated; first teleoeoneh whorl dark brown; peri-
Republic, ca. 18.15° N, -68.60° W. stome white. Operculum thin, paucispiral with a fine
granular deposit. Anatomyand radulaunknown.
OSUM
Paratype: 36517, from the type' locality
Holotype: UF 446072.
(1 specimen).
Distribution: Known onlyfrom the type locality. Type Locality: Virgen de San Rafael, ea. 200 m, ea.
7 km NNE of Paraiso, Barahona Province, Barahona
Habitat: Specimens were found on a limestone cliff Peninsula, Dominican Republic, under rocks. 18.05° N,
after rain. -71.12° W.