Rediscovery of Choanopoma? smithianum Pfeiffer, 1866 (Annulariidae) from Haiti and designation of a neotype, with the description of two new species of Weinlandipoma Bartsch, 1946

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THE NAUTILUS 127(2):78-84, 2013 Page 78
Rediscovery of Choanopoma? smithianum Pfeiffer, 1866
(Annulariidae) from Haiti and designation of a neotype,
with the description of two new species
of Weinlandipoma Bartsch, 1946
G. Thomas Watters JozefGrego JozefSteffek1
DepartmentofEvolution, Ecology, Horna Micina219 DepartmentofApplied Ecology
andOrganismal Biology SK—974 01 Facultyof Ecologyand Environmental Science
Ohio State University Banska Bystrica, Slovak Republic Technical Univerzity
Columbus, OH 43212 USA Zvolen, Slovak Republic
Watters [email protected]
ABSTRACT investigation ofthe type locality (Grego and Steffek, 2007)
revealedaspeciesthatundoubtedlyrepresentsPfeiffer’slost
Choanopoma ?smithianum Pfeiffer, 1866, was described from Choanopoma? smithianum as well as previously unrecog-
“monte Platon" on the western end ofthe Tiburon Peninsula
of Haiti.Thespecieshas neverbeen figuredand thetype spec- nizedtaxa.
imens are apparently lost. Surveys of the region in 1984 and Pfeiffer’s type locality of “in monte Platon insulae
2006 rediscovered this “lost" species, which is here allocated Haiti” was stated to be “30 engl. Meilen nordostliclr von
to Weinlandipoma Bartsch, 1946. Aneotypeisdesignatedbased Aux-Cayes.” This measurement is based on road miles,
on this material, the species is redescribed, and comparedwith not straight distance. This site is identifiable as the area
similar taxa. Two additional species are described as new, of the well-known Citadelle de Platons, on “monte
Weinlandipomaauduboni andWeinlandipomamacaijaense. Platon ” located on the Plain of Fornron south of Pic
Additional Keywords: Gastropoda, Annulariidae, Hispaniola, Macaya (dre second highest mountain in Haiti at 2,347 m)
Weinlandipoma newspecies and Pic Formon (2,219 m). It is reasonable to assume drat
, the original collector had visited dre area to view this
impressive fortress. Citadelle de Platons was used during
the Haitian Revolution (1791-1804) to guard against
Napoleons expeditionary force led by Charles Leelere
INTRODUCTION torecapturetire Frenchcolonyandreinstateslavery. There
is also an adjacent village of Les Platons. Collections
Ludwig Pfeiffer often described species without immedi- at Citadelle de Platons and 27otirerneighboringsites near
ate illustration although some taxa might subsequentlybe Monre Cavalier, Cay Demiere Jeudi, and dre Pic Ouasac
figured by him or others. In 1866 Pfeiffer described ridgerevealedonlyfourannulariidspecies: Weinlandipoma
Choanopoma ?smithianum from “in montePlaton insulae gonavense (Weinland, 1880), and three additional species
Haiti.” He questioned whether his species belonged of Weinlandipoma. Pfeiffers brief description could only
in Choanopoma because none of Iris five specimens apply to one of the four species encountered based
retained an operculum, a diagnostic characteristic of the on circumstantial evidence presented here. We believe
genus.The specieswas neverfigured. Althoughthe species drat the four Weinlandipoma taxa near and at dre type
was mentionedagain byPfeiffer(1876) andlistedbyTryon locality are Weinlandipoma smithianum, Weinlandipoma
(1867), Kobelt (1880), and Crosse (1891), no additional gonavense Weinlandipoma auduboni, new species, and
,
information was given. Bartsch, in Iris 1946 review of tire Weinlandipoma macaijaense, new species.
Hispaniolan annulariids, uncharacteristically overlooked Clench (1935) collectedin the general areabut reported
this name. Watters (2006), based on tire facts that the type onlyondre Urocoptidae.Thompson(1986)collectedexten-
couldnotbelocatedatTheNatural History Museum (UK) sivelyinthe(drenproposed)ParcNationalPicMacaya.This
or tire Berlin Museum fur Naturkunde, where much materialis at the Florida Museum ofNatural History (UF)
of Pfeiffer’s material that had not been destroyed during and is included in dris study. The collections by Grego and
World War II resided, turd drat it had never been illus- Steffek at drirteen sites and the collections by Thompson
trated, suggested diat dre taxon was a nomen (labium. But at eleven sites resulted in 1,558 specimens of four
Weinlandipoma species. Some of these sites were figured
1 Posthumously anddiscussedinmoredetailinGregoandSteffek(2007).
G. Thomas Watters et al., 2013 Page 79
MATERIALS AND METHODS SYSTEMATICS
Unless noted otherwise, all sites are in the Department FamilyAnnulariidae Henderson and Bartsch, 1920
du Sud, Haiti. Table 1 lists the material examined and Subfamily Annulariinae Henderson and Bartsch, 1920
the collections sites. Descriptions and measurements Genus Weinlandipoma Bartsch, 1940
were based on shells oriented with the spire up and the
aperture facing the viewer. Minimum and maximum Type Species: Choanopoma blandii Weinland, 1880,
dimensions were based on all adult specimens available. by original designation.
Abbreviations used in text are: BMSM, The Bailey-
Matthews Shell Museum, Sanibel, Florida, USA; GTW, Weinlandipoma smithianum (Pfeiffer, 1866)
Collection ofG.T. Watters, USA; Grego coll., JozefGrego (Figures 1-4, 18)
Collection,SlovakRepublic;NHMUK,TheNaturalHistory
Museum, London, UK; OSUM, Ohio State University Choanopoma ? Smithianum Pfeiffer, 1866: 88-89; Pfeiffer,
Museum of Biological Diversity, Columbus, USA; UF, 1876:157;Watters,2006:484,557[asanomendubium\.
FloridaMuseumofNaturalHistory,Gainesville, USA. Choanopomasmithiana Pfeiffer, 1866. Tryon, 1867: 99.
Table 1. Localities and specimens. A, Weinlandipoma auduboni; G, W. gonavense- M, W. macaijaense; S, W. smithianum
Locality A G M S
Gregocoll., Citadelle de Platons, clearedareaaround fortress, 727 m elevation, 1 4 1 3
18.2702° N, -73.9709° W.
Gregocoll., near Morne CavWalier, sinkholes in wet limestone forest, 1,116 m elevation, 3 102 10 0
18.3227° N, -74.0204°
Grewgeotclolilm.e,snteoanreMouotrcnroCpasvailniecrl,eaPraerdcfNoaretsito,na1l,3P4i1cmMaeclaeyvaat,iofno,ot1o8f.3M3t9.1°OuNa,sa—c7,4.0304° W 4 60 5 0
Gregocoll., Pic Formon, Parc National Pic Macaya, limestoneboulders in cleared 0 351 0 0
wetlimestoneforest, 1,200m elevation [coordinates unknown]
Greagtoedcoglel.,ofCafoyreDste,rn1i,e3r0e6Jmeuedlie,vaPtairocn,Na1t8i.o3n3a9l7°PiNc,M-a7c4a.y0a2,1w0e°tWlimestoneoutcrops 0 366 0 0
Greagtoedcoglel.,ofCafoyreDset,rn1i,e3r3e1Jmeuedlie,vaPtairocn,NaW1t8i.o3n3a9l7°PiNc,M—a7c4a.y0a2,1w0e°tWlimestoneoutcrops 0 114 0 0
Grewgeotclolilm.e,snteoanreMouotrcnreopsCa,va1l,i1e9r1,m1 kelmevatioofn,Ca1y8.M3i2c6h7e°l,N,Pa—r7c4.N0a2t9io7n°alWPic Macaya, 2 20 6 0
Gregocoll., Pic Formon, offpath between Morne CavalierandCay Michel, Parc National 0 17 9 32
Pic Macaya,wetlimestoneoutcrops, 1,202 m elevation, 18.3254° N, —74.0262° W.
Gregocoll.. Pic Ouasac, defWorestedpine slope, Parc National Pic Macaya, 2,122 m elevation, 0 73 0 0
18.3576° N, -74.0279°
W
Grewgeotclolilm.e,snteoanreMouotrcnreopsCa,va1l,i2e5r8,m2 kelmevatioofn,Ca1y8.M3i2c6h7e°l,N,Pa—r7c4.N0a2t9io7n°alWPic Macaya, 0 20 0 0
Gregocoll.. PicOuasac, ParWc National Pic Macaya, deforestedpineslope, 1,818 m elevation, 14 33 0 1
18.3519° N, -74.0282°
Gregocoll.. PicOuasac, ParWcNational Pic Macaya, deforestedpineslope, 1,818 m elevation, 0 77 0 0
18.3519° N, -74.0282°
Grecgloeacroelld..wePitclFiomersmtoonn,ePfaorrecstN,at1i,o0n2a0lmPiecleMvaactiaoyna,,1a8r.o32u4n7d°cNa,ve—77040.0m13W0°oWfschool, 0 21 0 0
UF77446, 77448, 77453, Morne Formond, Parc National Pic Macaya, 1,650 m elevation, 0 26 0 0
W
UFc3a.221286.,35625k°mNE, o-f74C.av0a2i2l9l°on, 200m elevation, 18.3035° N, -73.6013° W 0 23 0 0
UF32278, Camp Perrin, 200 m elevation, 18.3274° N, -73.8602° W 0 9 0 0
UF32269, 1 km S ofCamp Perrin, 200m elevation, 18.3171° N, -73.8601° W W 0 38 0 53
UUFF3322733223,, T7rkomuWNocWliofSPaoWrto,Sacian.t,11k8m.1S43S3°WNo,fC-a73m.p96P4e7r°rinW, 18.3188° N, -73.8553° 00 87 00 00
UF32385, 10km NWofPort Salut, 18.1663° N, -73.9797° W 0 5 0 0
UF33265, 6km SSE ofFonddes Blancs, 210 m elevation, 18.2341° N, -73.0984° W 0 30 0 0
UUFF3332337651,, 31 kkmm SEEofofLaRoVcahllee-e,a-NBiaptpeeaus,D1e8p.a1r7t8m5e°ntN,, c-a7.3.1989.41333°3°WN, -73.4346° W 00 36 00 00
UF48134-Plaine SaWo, [notlocated, presumablynearTrou Woch SaWo, 0 0 0 1
ca. 1 km SSWofCamp Perrin, 18.3188° N, -73.8553° W.]
Totals 24 1413 31 90
Page 80 THE NAUTILUS, Vol. 127, No. 2
Figures 1-19. Weinlandipoma and their distribution. 1-4. Weinlandipoma smithianum (Pfeiffer, 1866). All from Citadelle de
Platons. 1. Grego coll., 9.5 mm length; 2-3. Neotype of Choanopoma smithianum Pfeiffer, 1866. NHMUK 20120258, 9.6 mm
l1ekngmthW;4.ofGCreagyoMcioclhl.e,l,107..66mmWmmlelnegntght.h.5-78..PaWreaitnylpaenOdiSpUomMa3a7u2d6u8b,onCiitandeewllsepedceiePsl.at5o-n6s.,H6.o8lomtympeleUngFth4;5185.3P8a,rnaetaypreMoBrMnSeMCav1a7l9i3e5r,,
l4ne5en1ag5rt4hM0;,o1rn2n.eeaPraCraMvaoatlryipneeer,BC1aMvkSalmMier1,7o91f3k6C,manyWeaMriocfMhoeClra,nye7M.Cia2cvmhaemlli,elre,9n.g11thkm.mm9-W1l2eo.nfgtCWhae;iyn1Ml1i.acnhPdeailrp,aot7my.ap4emmOamcSatlUejnMagetnh3s.7e216n39e-,w1C7si.pteaWcdeieeilsnl.ela9dn-ed1i0Pp.loatmHoaonlsgo.otn9ya.p0veemnUsmFe
Bartsch, 1946. 13. Grego coll., Mt. Formon, 8.7 mm length 14. Grego coll., Citadelle de Platons. 10.6 mm length; 15. Grego coll.
Mt. Formon. 9.9 mm length. 16. Grego coll. Mt. Formon, 8.9 mm length. 17. Grego coll., Mt. Ouasac, 17 mm length. 18. Radula
ofWeinlandipoma smithianum (Pfeiffer, 1866), UF 48134, Plaine Sa Wo. 19. Distribution ofWeinlandipoma. Areas are approxima-
tions. A-W. meridianum Bartsch, 1946. B -W. milleri Bartsch, 1946. C-W. blandii (Weinland, 1880). D-W. orcuttii Bartsch, 1946.
E-W.strictecostatum (Maltzan, 1888). F-W. excisum Bartsch, 1946.G-W.gonavensegonavense (Weinland, 1880). H-W.gonavense
ssp. of Bartsch, 1946. I — W. gonavense conception Bartsch, 1946. J - W. gonavense robustum Barstch, 1946. K - W. smithianum
(Pfeiffer, 1866),W. macatjaensenewspecies,W. auduboni newspecies. BasemapcourtesyofNASA.
, ,
G. Thomas Watters et ah, 2013 Page 81
Choanopoma smithianum Pleiffer, 1866. Kobelt, 1880: macayaense and W. auduhoni these ribs are not of
277; Crosse, 1891: 165. uniform length and are gathered in bundles forming
mm an undulating or ragged row of denticles at the suture.
dReecdoelslcatreiptxio5n.:8 mShmellmasmxaillmu(mneowtiydpteh 9i.n6cludinglenpgetrhi,- aWuediunhloannidiaplosomabeasrmiatshtiraikniunmg,reWse.mbmlaacnacyeateonsAer,ticaunldipoWm.a
stome), elongate conic. Protoconch unknown, decollate
fluxum (Bartseh, 1946), a species Bartseh described as
in adults. Teleoconch of 4-4.25 whorls. Axial sculpture “exceedingly puzzling” (p. 48). It extends across most of
ofweakly scalloped orundulatingcords, regularlyspaced, the Tiburon Peninsula from Port-au-Prince to Les Cayes
6O5n-7f5inoalnfainnadlwhpoernlu,ltmiomraetewiwdheolrylsspatcheedseonaeraerlygwrhoourplesd. dbiuftfehrassfnrootmbeWeeninfloaunnddipinomtaheiCnithaadveilnlge daepaPuleaitsopnisraalr,eaf.latI,t
in bundles of4-5cords where first cordis barelydiscern- chondroidoperculum ratherthanamultispiraloperculum
able and then each subsequent one increases in size until with an erect lamella and in lacking microscopic spiral
last cord is longest, then series begins again; this results tiireads between the axial sculpture. However, the overall
in an smoothly undulating sutural line. Sculpture is more shell sculpture is verysimilar.
randomly spaced on earlier whorls. Primary spiral sculp- Weinlandipoma smithianum differs from W. auduhoni
turepresentonlyasveryweaklyscalloped margins ofaxial and W. macayaense in being larger with much weaker
cords on earliest whorls and in umbilicus resulbng scalloped axial sculpture, a peculiar pattern of sutural
in an angular aspect to base. Secondary spiral sculpture sculpture, and a barely adnate aperture.
of numerous, microscopic threads between axial cords,
often worn away. Suture strongly indented. Aperture Weinlandipoma auduhoni new species
double (rarely single), circular (3.5 mm in maximum (Figures 5-8)
width in neotype), barely adnate. Inner lip smooth, erect.
mm
Outer lip broadly expanded, slightly narrower facing Description: Shell small (holotype 7.6 length,
umbilicus, consisting ofnumerous fused lamella, slightly decollate x 4.4 mm maximum width including peri-
auriculate. Shelldirty'whitetopalelavenderwith 7-8spiral stome), short conic. Protoconch lost in all examples.
rows of brown spots and dashes; spots do not continue Teleoconch of3.75 whorls. Axial sculpture ofundulating
as bands over lip. Operculum multispiral with a slightly and strongly scalloped, narrow, erect lamella, 60-70 on
oblique, erect calcareous lamella. Radula taenioglossate final whorl, more widely spaced on early whorls. These
with digitate first marginal (Figure 18). areoften groupedin bundles of2-3lamellaintounfused
NHMUK cusps at suture, separated by a wide space containing
Neotype: 20120258 (Figures 2, 3). 1-3 very fine threads that do not form cusps, but this
Type Locality: The neotype is from the type locality pattern is not consistent on entire shell; this results in a
“in monte Platon insulae Haiti," here interpreted as ragged sutural line. Sculpture is more widely spaced on
Citadelle de Platons, specifically the cleared areaaround earlier whorls. Primary spiral sculpture present only as
the fortress, 727 m elevation. Department du Sud, Haiti, stronglyscalloped margins ofaxial lamella; three scallops
18.2702° N, -73.9709° W. on spire whorls, seven on final whorl, three of these are
prominent in umbilicus. Secondary spiral sculpture of
Distribution: Specimens are only known from the numerous, microscopic direads between axial lamella,
type locality. Pic Formon, and near Camp Perrin (UF often worn away. Suture strongly indented. Aperture
32254, 48134). It probably has a narrow range in the double, circular (2.7 mm in maximum width in holotype),
southern foothills ofthe Pic Macaya range ofthe Massif always solute. Inner lip smooth, slightly erect. Outer lip
de la Hotte. expanded, narrower facing umbilicus, consisting of fine,
fused lamella, slightly auriculate. Shell dirty white with
Variation in specimens: Ninety specimens seen. The 6-7 spiral rows of widely separated, small, brown spots
degree of color pattern intensity varies from dark to and dashes axially aligned; spots continue as bands over
barelydiscernible. both sides of lip and form spots on inner lip. Operculum
Comparison with Other Species: Weinlandipoma multispiral with a vertical, erect calcareous lamella.
W
smithianum, W. macayaense, and auduhoni are most Holotype: UF 451538.
similar to each other and to W. orcuttii Bartseh, 1946,
W
described from a hill north of Coteaux. That species is Type locality: Near Morne Cavalier, 1 km of Cay
distributed along the southwestern edge ofthe Tiburon Michel, Parc National Pic Macaya, wet limestone out-
Peninsulafrom Coteauxto as fareastasAquin. It appears crops, 1,191 m elevation. Department du Sud, Haiti,
to be a coastal, lowland species whereas W. smithianum, 18,3267° N, -74.0299° W.
W. macayaense and W. auduhoni are montane.
Weinlandipoma ,orcuttii differs from W. smithianum, Paratypes: UF 451541, near Morne Cavalier, foot of
W. macayaense and W. auduhoni in sculpturaldifferences. Mount Ouasac 1,341 m elevation. Department du Sud,
In W orcuttii the axial ribs produce swollen sutural Haiti, 18,3391° N, -74.0304° W (1 specimen); OSUM
cusps of a uniform length resulting in a regular, even 37268, Citadelle de Platons, cleared area around fortress,
row of denticles lining the suture. In W. smithianum W. 727 m elevation. Department du Sud, Haiti, 18.2702° N,
,
—
.
Page 82 THE NAUTILUS, Vol. 127, No. 2
W
—73.9709° (1Wspecimen); BMSM 17935, near Morne spots continue as bands over both sides oflip and form
Cavalier, 1 km of Cay Michel, Pare National Pic spots on inner lip. Operculum multispiral with a verti-
m
Macaya, wet limestone outcrops, 1,191 elevatioWn. cal, erect calcareous lamella.
Department du Sud, Haiti, 18.3267° N, —74.0297°
Holotype: UF 451540.
(1 specimen).
Other Material Examined: Grego coll., Pic Ouasac, Type locality: NWear Morne Cavalier, Parc National
Parc National Pic Macaya, deforested pine slope, 1,818 m Pic Macaya, 1 km ofCay Michel, wet limestone out-
elevation, 18.3519° N, -74.0282° W (14 specimens); crops, 1,191 m elevation. Department du Sud, Haiti,
Grego coll., near Morne Cavalier, sinkholes in wet 18.3267° N, -74.0299° W.
m
limestone forest, 1,116 elevation, 18.3227° N, Paratypes: UF 451537, Pic Formon, offpath between
—74.0204° W. (3 specimens); Grego coll., near Morn Morne Cavalier and Cay Michel, Parc National Pic
Cavalier, foot of Mt. Ouasac, wet limestone outcrops in Macaya, wet limestone outcrops, 1,202 m elevation.
cWleared forest, 1,341 nr elevation, 18.3391° N, —74.0304° Department du Sud, Haiti, 18.3254° N, -74.0262° W
(3 specimens). (1 specimen); OSUM 37269, Citadelle de Platons, cleared
m
Distribution: Knownfrom MomCavalierandCitadelle areaaroundfortress, 727 elevaWtion. Departmentdu Sud,
doMceaccuParlysaatortnahsnrgoebu.egthwoeuetn t7h2e7-m1i,d8d1l8emeleelveavtaitoinosn; oift pdrioebabPliyc lH1ai7im9te3is6,t,o1nn8ee.a2ro7u0Mt2co°rronNp,se,C-a17v,3a1.l99i1e7r0,m9°1eklemva(Wt1iosno.pfWeCcDaieympeanMr)it;cmheeBln,MtSwdeMut
Sud, Haiti, 18.3267° N, —74.0299° (1 specimen);
Variation in Specimens: Twenty-fourspecimens seen. OSUM 37270, near Morn Cavalier, Parc National Pic
Theexampleswehaveseenareveryuniformintheircharac- Macaya, foot of Mt. Ouasac, wet limestone outcrops in
teristics,differingonlyintirenumberofaxiallamella(60-70). cleared forest. Department dWu Sud, Haiti, 1,341 m eleva-
tion, 18.3391° N, -74.0304° (1 specimen).
Comparison with Other Species. Weinlandipoma
auduboni differs from W. mcicayaense in being smaller Other Material Examined: Grego coll., Pic Formon,
(6.2-7.2 mm decollate length vs. 7.2-9.6 mm for W. offpath between Morne Cavalier and Cay Michel, Parc
m
mcicayaense), in having coarser sculptureW, and in having National Pic Macaya, wet limestoneWoutcrops, 1,202
feweraxial lamella (60-70vs. 70-90 for mcicayaense) elevation, 18.3254° N, —74.0262° (8 specimens);
Etymology: Named for John James Audubon (1785 GMarceagyoa,col1l.k,mnWearofMCoarynMeicChaevla,liweert, lPiamrecstoNnaetioountaclropPsi,e
1851), ornithologist, naturalist, and painter who was 1,191 m elevation, Department du Sud, Haiti, 18.3267°
W
born at nearby Les Cayes, and for the Societe Audubon N, —74.0299° (4 specimens); Gregocoll., near Morne
d'Haiti, withoutwhose assistance these collections could Cavalier, sinkholes in wet limestone forest, 1,116 m ele-
W
not have been made. vation, 18.3227° N, —74.0204° (10 specimens); Grego
Weinlandipoma macatjaense new species coll., GTW 15157a, near Morn Cavalier, foot of Mtm.
Ouasac, wet limestone outcrops incleared forest, 1,341
(Figures 9-12) W
elevation, 18.3391° N, —74.0304° (4 specimens).
mm
dDeecsoclrliaptetioxn:5.4Shmelml smmaalxlim(uhomlowtiydpteh9.i1ncludinglenpgetrhi,- dDiesPtlraitbountsioann:d MoKrnnowCnavaonlliyerfartom72t7h-e1,vi3c4i1nitmyoefleCviattaidoenl.le
stome), elongate conic. Protoconch of 1.75 smooth,
prominentwhorls, usuallydecollate in adults. Teleoconcli Variation in specimens: Thirty-one specimens seen.
of 3.75-4 whorls. Axial sculpture of scalloped lamella, The examples we have seen are very uniform in their
70-90 on final whorl, more widely spaced on early characteristics, differing only in the number of axial
whorls. On final and penultimate whorls these are lamellae (70-90).
grouped in bundles of 3-5 cords with wide species
between bundles having 1-5 fine threads. Sculpture is Comparison with Other Species: See under W.
more randomly spaced on earlier whorls. Primary spiral smithianum, above.
sculpture present only as scalloped margins ofaxial; 3-
4 scallops on spire whorls, 7-8 on final whorl, three Etymology: L. mcicayaense, from the area of Parc
National Pic Macaya.
pronounced scalloped cords in umbilicus. Secondary
spiral sculpture of numerous, microscopic threads
between axial cords, often worn away. Suture strongly DISCUSSION
mm
indented. Aperture double, circular (2.8 in maxi-
mum width in neotype), barely solute. Inner lip smooth, We have only Pfeiffer’s unfigured description of
erect. Outer lip expanded, narrower facing umbilicus, Choanopoma?smithianum on which to base this species.
consisting of about five narrow, erect lamella, slightly Only four species, which we wall refer to here as Species
aurieulate. Shell dirty white with 6-7 spiral rows of A, B, C, and D, were found at the type locality and
widely separated, small, brown spots axially aligned; surrounding areas (27 sites) despite careful examination.
G. Thomas Watters et ah, 2013 Page 83
All are members of Weinlandiponm. Pfeiffer’s descrip- (7) The peculiar folded lamella of the peristome found
tion, taken as a whole, contains enough information to in Species B, particularly in the Citadelle de Platons
identifywhich ofthesespecies represents C. smithianum specimens, not seen in any other species of the
based on circumstantial evidence. We present all avail- genus, would certainlyhave been noted by Pfeiffer.
able evidence below. (8) Species D has not been found at the type locality.
(1) Pfeiffers description mentions his specimen being Based on sculptural aspects, size, and degree of elonga-
11.5 mm long by 6 mm wide giving a lengtli/width tion we believe only Species A could fit the description
ratio = 1.9. Species A has a ratio of 1.7-1.9. Species ofCWhoanopoma ? smithianum Pfeiffer, 1866. SpeciesWB
aBriastmioorofe 1tu.4r—b1i.n7a.teSpweictihesa rDatiios o1f.61-.12..9S.pTechieesleCnghtahs/ aisudubongionaanvdenDseis(WWeimnalcaanyda,ens1e88.0), species C is
width ratioof Pfeiffer’s specimen most closelymatches Weinlandiponm is restricted to the lower and middle
Species A and D. elevationsoftheChainedela Sellemountain range,which
(2) Pfeiffer’s description mentions his specimen being forms the Tiburon Peninsula and continues into the
o1f1.5SpemcmiesloAngvairnydfecroolmla9t.e0-l1en1g.t0h.mOmurinspdeeccoilmleantse BItarisahaolsnoafPoeunnindsuolnatahsethneeiSigehrbroardinegBaisolraunedso (ofFigHueretie19)l.a
mm
length. Species B varies from 8.8-11.3 in decol- Gonave, Petite Gonave, and lie a Vaehe. Species occur
late length. Species C is the smallest with specimens from Polo in the eastern Barahona Peninsula and Port-
mm
ranging from 6.2-7.2 in decollate length. au-Prince across the Tiburon Peninsula to its western
Species D is 7.2-9.6 mm in decollate length. The end. This mountain range originated apart from the rest
decollate length of Pfeiffer’s specimen most closely of Hispaniola and continues to collide with it (with
matches Species A and B. recently disastrous results). The mountain range harbors
(3) Pfeiffer (1866: 88) referred to “.sutura costis many unique species and genera of Annulariidae that
excurrentibus irregulariter crenata” in his original do not seem to have counterparts in the remainder of
description. Species B has a set of cusps lining the Hispaniola. Watters (2006) hypothesized that these taxa
suture ofauniformheight, but often alternatingwith evolved on what is now the Tiburon Peninsula before it
asmallerthread. Species A, C, and D have an undu- merged with Hispaniola and that its taxa are not related
lating rowofcusps ofvarious lengths. Unfortunately, to those on tire rest ofthe island.
all four species could fit Pfeiffer’s description. Tlle radula of Weinlandiponm is typical of most
(4) Pfeiffer compared his species with Cyclostoma annulariids, having a digitate first marginal (Figure 18).
serraticosta Weinland, 1862 and Choanoponia It is this tooth that varies most in the family (previously
puertoplaten.se Pfeiffer, 1858. The formerspecies was unpublished). Genetic studies of the Annulariidae are
regardedasOrcuttipoma rolleiserraticostabyBartseh nowbeingcompleted.
W
(1946), and as Parachondria rollei serraticostus by Weinlandiponm smithianum macayaense and W.
, ,
Watters (2006). The latter species was overlooked by auduboni may co-occurwith W. gonavense although W.
,
Bartseh (1946) and Watters (2006) suggested it might gonavenseappearstobe morewidespread. Weinlandiponm
beaColoninabasedontheapparentspiralcordsinthe smithianum has been found in the vicinity of Camp
originalminute(10mm)illustration.(However,inview Perrin at 200-210 m elevation (UF 32269, 48134),
of Pfeiffer’s comparison itis more likelythat the spiral Citadelle de Platons at 727 m elevation, and at Pic
lines are bands of color rather than sculpture; this Formon at 1,202m elevation; itappears tooccurat lower
would eliminate this species from Colonina but the elevations than W. auduboni and W. macayaense.
generic placement remains unknown as the type has Weinlandiponm auduboni and W. macayaense are found
not been located.) Pfeiffer also included where he near Morn Cavalier and Citadelle de Platons between
would have placed his species in the 1865 second 727-1400 m elevation. These sites have wet limestone
supplement to his Monographia pneumonoponiorum outcrops and sinkholes in pine forests on the south slope
viventium-, he placed it at “7 1/2,” in between Cistula of the Pic Macaya range (although much of this area has
tractum “Gundlaeh” (species 7) and Choanopoma been deforested). Mostof the sites are locatedwithin the
puertoplaten.se (species 8). Both of these species Parc National Pic Macaya, which includes the last virgin
resemble SpeciesA, C, and D moresothan Species B cloud forestin Haiti andhas as an extremelyhigh level of
inhavingaprominentcolorpattern;howeverthesame endemism of plants and animals (Thompson, 1986;
color pattern does occur in Species B but it is not as GregoandSteffek,W2007; Fernandez,2007). Weinlandiponm
well-defined. Again, Pfeiffer’s description of“seriebus macayaense and auduboni are sometimes, but not
punctorum ruforum ornata” could applyto any of the always, found together. The condition of the specimens
fourspecies. does not permit a morphological examination of the geni-
(5) Pfeiffer makes no note of the stronglyscalloped axial talia but it is unlikely that the two species represent sexu-
cords seen in Species C and D. allydimorphicformsof onespecies; sexual dimorphism in
(6) The outerlip is narrowlyadnate in Pfeiffer’s descrip- shells is unknown in Hispaniolan annulariids.
tion of C. smithianum. Only Species A and B have Weinlandiponm gonavense is characterized by a pecu-
adnate outer lips. liarapertural feature that is lackingin all othermembers
Page 84 THE NAUTILUS, Vol. 127, No. 2
of the genus (Figures 13-17). Several of the lamella Haiti and Eladio Fernandez from Sociedad Omitologica
composing the outer lip are erect and folded back over Hispaniola for their excellent organization of the 2006
toward the aperture to various degrees, sometimes field trip to Parc National Pic Macaya. We thank Fred
forming a shelf. These folded lamella are usually among Thompson, John Slapcinsky, and Gustav Paulay (UF) for
the middle lamella (although in some populations the the use of their collections, and Kathie Way (NMHUK)
lamella are outermost) and usually arise from the inner and Jose H. Leal (BMSM) for supplying catalogue
(axial) portion of the lip. The degree of folding varies numbers. The manuscript was gready improved by two
considerably between and among populations, rarely anonymous reviewers.
absent, but is prominent in the Citadelle de Platons
specimens. Specimens alsovaryin size, height, andcolor.
This variability caused Grego and Steffek (2007) to sug- LITERATURE CITED
gest that additional species occurred at their study sites.
Thompson (1986) referred these taxa to Weinlandipoma Bartseh, P. 1946. The operculate land mcllusks of the family
sp. Bartseh (1946) divided this taxon into four subspe- Annulariidae of the island of Hispaniola and the Bahama
cies, including one he did not formally name. These Archipelago. Bulletin of the U.S. National Museum 192:
subspecies ranged from lie de la Gonave to the south- Clenc2h6,4Wp.pJ.,.31893pi5s.. Some new Urocoptidae from Hispaniola.
western coast of the Tiburon Peninsula. There appearto
Proceedings of the Boston Society of Natural History 41:
be two distinct forms in ourstudyareas, one tall and pale 1-12; pis. 1, 2.
that conforms to Bartseh’s subspecies conception, the Crosse, H. 1891. Faune malacologiqueterrestreetfluviatile de
other short and dark and unnamed; some sites have both file de Saint-Domingue. Journal de Conehyliologie 39:
forms, others only one. Both forms have folded aperture 73-210.
lamella. However, a few specimens appear to be inter- Fernandez, E. 2007. Hispaniola, a photographic journey
mediate between the two groups. At this time we are through island biodiversity. Belknap Press, Cambridge,
referringto thesespecimens as W. panaccuses.l. although 374 pp.
clearly more work is needed. A living individual of W. Grego, |. and J. Steffek. 2007. Biodiversity ofMacaya National
gonWaevebnesleiewveasthfeidgeusriegdnaitnioFnerofnaanndeeozty(p2e0o0f7,Chp.oa1n95o)p.oma ? PLPpae.rskn8aa.n5T-da1t1Br2iy,oBsiipnohsepPrhreeorcReeeesRdeeirsnvegersvienf,croSonlmdoviattkihioean,sC2oof-nf6gelJorubeannlecec2h0a0Sn7tg.aer.a
smithianum Pfeiffer, 1866, for the purpose of clarify- Henderson, J.B. and P. Bartseh. 1920. A classification of
ing its taxonomic status is warranted at this time. The the American operculate land mollusks of the family
species seems to have a much narrower range than Annulariidae.ProceedingsofdieU.S. National Museum58:
Weinlandipoma gonavense, with which it is occasionally 49-82.
found and potentially confused. It may be a significantly Kohelt,W. 1880 DiegeographischeVerhreitungder Mollusken.
rare taxon deserving conservation protection that has JahrbiicherderDeutschen Malakozoologischen Gesellschaft
not been recognized because of the lack of illustration nebst Nachrichtsblatt 7(3): 241-286.
or type specimens. Portions of its range have already Pfeiffer, L. 1865. Monographia pneumonopomorum viventium,
blLoeocenalndiotnyd,eafonUrdKesdtaeespdoN.siHAtMednUeaKottyt2hp0ee12Ni0as2t5uc8rh.aolsTehHneisfttryoproeymlMotuchaseleittuyympo,ef PPffeeiiffffSeMerrau,,lpapLk.lLoe.z1mo8eo7nl61.to8gu6iM6m.soSenehoecgBureBnasldapcuthhtmrie.eariT1bph3une:noe7gdu6om-r9on1Fnei.uosecphroerm,oLCraasunsmdelslcvihis,vnee2nc8tk4ieupnmp..,
“in monte Platon insulae Haiti” is here amplified as accedente fossilium enumeratione. Supplementum tertium,
Citadelle de Platons, cleared area around fortress, 727 monograpliiae auriculaceomm. Parte seeunda auctum.
m elevation. Department du Sud, Haiti, 18.2702° N, T. Fischer, Cassel,x+479pp.
-73.9709° W. Thompson, F.G. 1986. LandmollusksoftheproposedNational
ParksofHaiti. PreparedforSAID/1laiti, Contract Number
ACKNOWLEDGMENTS Tryon5,21-G0.1W6.9-C1-80607-.30N8o3t-i0c0e,s19apnpd. reviews of new works.
American Journal ofConchology3(1): 82-103.
We greatlyappreciate the support of Philippe Bayard and Watters, G.T. 2006. The Caribbean land snail family
Jean-Vilmond Hilllaire from the Soeiete du Audubon Annulariidae. Backhuys Publishers, Leiden. 557pp.