Updated systematic inventory of the non-marine (land & freshwater) molluscs occurring in the insular territory of Trinidad & Tobago, a physiographic and bioecological extension of Venezuela in the Southeastern Caribbean and immediate Atlantic Ocean

Abstract

Introduction: Simultaneously with the malacological studies carried about the country of Venezuela (Agudo-Padrón 2023 a-b), since 2014 the “Projeto AM” (Brazil) has carried parallel out taxonomic, bioecological and conservation research of the non-marine (land & freshwater) molluscs present in the immediate neighbor territory insular of “Trinidad & Tobago”. To date, these aspects of the natural history of this geographic region, located in the Northern sector of South America, have been regularly studied. Objective: Substantial updating of this knowledge through an exhaustive review of the regional malacological literature of historical  and  recent  nature  available.  Methodology:  Between  2014  and  the  present,  a  sequential review of the species occasionally referred to in the regional literature was carried out, examined from the perspective of the current taxonomy in force. Results and  conclusions: Verification  and determination of seventy-seven (77) referred taxons, including 64 land/ terrestrial (60 species & 4 subspecies) and 13 aquatic (limnic/ freshwater) forms/ species (9 gastropods & 4 bivalves), taxonomically grouped into thirty-two (32) families and fifty-five (55) genera.