Annotated checklist of the land snail fauna from southern Cambodia (Mollusca, Gastropoda)

Chirasak Sutcharit; Phanara Thach; Samol Chhuoy; Peng Bun Ngor; Ekgachai Jeratthitikul; Warut Siriwut; Ruttapon Srisonchai; Ting Hui Ng; Arthit Pholyotha; Parin Jirapatrasilp; Somsak Panha

Annotated checklist of the land snail fauna from southern Cambodia (Mollusca, Gastropoda)

2020

Prior to this study, few collections and records were made of the land snails in Cambodia and the historical taxa had never been reviewed. Herein a report on the land snail diversity based on specimens collected recently from karstic and non-karstic areas in southern Cambodia is provided. This checklist presents 36 species of land snails (two Neritimorpha, six Caenogastropoda, and 28 Heterobranchia). Illustrations and brief taxonomic notes/remarks are provided for every species. We also described Georrisa carinata Sutcharit & Jirapatrasilp, sp. nov. based on some distinct shell morphological characters. Since the first descriptions during the colonial period in the nineteenth century, some land snail species (e.g., Trichochloritis norodomiana, Durgella russeola, Anceyoconcha siamensis obesula comb. nov., Anceyoconcha chaudoensis comb. nov., and Succinea tenuis) have not been reported subsequently. This probably reflects a lack of knowledge concerning land snail biodiversity in this country. To our knowledge, this is the first comprehensive survey of land snails in southern Cambodia. A need for more field research and systematic revision of the land snails in this interesting region is also highlighted and demonstrated.

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