Results andResults Discussion • • • • • • summarize the in findings the checklist: as voucher orpotential type specimens. To comprised ofonly taxa that wecollected in the field field. The taxonomic checklist in Table 1is without collecting orobserving specimens in the thus most ofits taxonomic assertions were made Durrell Conservation Monograph(Young, 2008)and Waldman’s were usedasthe works basisforthe is incomplete. Bland, Bass, and Stevens & Malacofauna ofMontserrat and the Lesser Antilles the fact that the current research onthe native
first time.first among others, were reported onthe island forthe candeana Pfeiffer, Pseudosuccinea Pallifera slugs. what appear to be 2-3species ofveronicellid oblongus their range,. has either eradicated them orsubstantially limited believe that recent volcanic activity onthe island not present at any ofoursurveysites, and we thought to have been present onthe island were glabrata identified as both rediscovered onisland and positively to Montserrat (see Robinsonet al.) were collected, extending its range from Dominica specimens of rawsonis Allopeas The presence ofthe invasive Two ofthe freshwater snail species, (2003)’sBass unidentified nerite specimen was Three Seven whole-body Acknowledgements Acknowledgements • • • • • Department ofthe Environment fortheir permission and guidance. and Molly Ziegler fortheir outstanding fieldworkand companionship; and the Montserrat Hetterich and Kathy Schmidt fortheir instruction in taxonomy and systematics; Eichhorst Central Oklahoma, Dr. G. Thomas Watters at The OhioState University, and Thomas identifying this research: Dr. A.S.H. The authors wouldlike to acknowledge the following individuals fortheir contributions to
1
The most important findingofthis project is Department of Biology,Department at Simon’s College Bard Rock, 84 01230, Massachusetts Great Barrington, Road, Alford certain potentially novel and enigmatic species preparing to publish a checklist ofspecies and a phylogenetic analysis of invalidates certain points ofpreviously published scientific research least 21. island, increasing the islands’ gastropod known species richness from 15to at diversity ofneotropical gastropod ecosystems malacologists that hasa diverse and insufficiently studied gastropod population The Lesser Antillean islands in general have been critically overlooked by Montserrat isa small volcanically active island in the Caribbean Lesser Antilles We have still not fully analyzed all ofthe data that wecollected, and weare The field and work subsequent research that wehave done potentially We conducted the largest sampling effort ever to have been conducted onthe Amphibulima
,
ofConchologists of America fortheir assistance in identifying N.
Müller confirmed, was in addition to Say, and micra dorsalis Naiomi Bland were collected, the complete first
Amphibulimid Lea, and Neritilia A.
Pittman, Taylor d’Orbigny rawsonis
Binney Potamopyrgus topotypes , hindering ourscientific understanding ofthe evolution and
Z browni Breure
onitoides succinea species and his advice; Dr. David T. at Bass The University of columella ,
, to have been collected Pellicula of Lucidella
Pilsbry Polster for Megalobulimus Naturalis
sp. cf. sp. Récluz
Amphibulima sp. previouslysp. , Nathan
specimens
Say, appendiculata An unprecedented survey of An neotropicalunprecedented Montserratian survey snails Biomphalaria Biodiversity Center forhisassistance in spp. Introduction
arboreus
Fig. 1 Succinea , The terrestrial and freshwater gastropodsand ofThefreshwater Montserrat: terrestrial Sadowsky
USA; ,
, Clara
1837) (Beck, Succineidae 1833) Physidae 1908) (Schepman, Neritiliidae 1815) (Rafinesque, Lymnaeidae 1912) (Ihering, Pleurodontidae 1847) (Gray,Philomycidae ( Helicinidae (Tryon, 1867) Bulimululidae (Fischer, 1873) Amphibulimidae Family Zonitidae 1840) Veronicellidae (Gray, (Gill, 1871) Thiaridae 1877) Crosse, & (Fischer Subulinidae (Pilsbry, 1902) Strophocheilidae Férussac Woolner [email protected] Greig ! Nathaniel F. Shoobs ( ( , 1823) Fields, Ian Fitzinger Mörch Succinea
, Sam Table 1 - Taxonomic Checklist