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Deutsche Zentrum fuer Marine Biodiversitaetsforschung Wilhelmshaven. Year: 2015.   cc-by-nc-sa-3.0

Trochoidea includes groups like Areneidae, Pheasant shells, and Epulotrochidae.

EOL has data for 10 attributes, including:

Known occurrences, collected specimens and observations of Trochoidea