Paleoheterodonta
Автор:
Jesse Russell,Ronald Cohn, издатель:
"VSD", ISBN:
978-5-5117-5267-9
High Quality Content by WIKIPEDIA articles! Paleoheterodonta is a subclass of bivalve molluscs. It contains the extant order Unionoida (freshwater mussels) and the prehistoric Trigonioida. They are distinguished by having the two halves of the shell be of
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