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conchifera
Conchifera is a subphylum of the phylum Mollusca. It comprises all of the shell-bearing classes of molluscs, including the snails, clams, tusk shells, ammonites, monoplacophorans, and so on. The other one is Aculifera. This taxonomic term is used mostly by paleontologists, and not by scientists who study the living molluscs. ==Classes== Classes within the Conchifera include: * Gastropoda * Scaphopoda * Cephalopoda * Bivalvia * Monoplacophora * Rostroconchia† * Helcionelloida†
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「conchifera」の詳細全文を読む
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