On the Iotrigoniidae (Bivalvia: Trigoniida); their palaeobiogeography, evolution and classification
The genus Iotrigonia van Hoepen (1929) is based on a poorly-known species which has not been re-described since its inception. Treatise interpretation of the genus (Cox 1969) rested largely on an older referred species, I. haughtoni (Rennie), which differs significantly from the type, thus changing the concept of the genus. Here the genus is re-diagnosed and evolutionary relationships discussed. Of the 44 species assessed, 9 are incorrectly allocated and the remainder are distributed among 8 genera of which 5 are new.
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Document Type: Research Article
Publication date: July 1, 2015
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