Pleurotomariidae

Pleurotomariidae, common name the "slit snails", is a family of large marine gastropods in the clade Vetigastropoda. This family is a very ancient lineage; there were numerous species in the geological past. The genus includes several hundred fossil forms, mostly Paleozoic. It is one of the oldest gastropod families, commencing in the Cambrian.

单词	Pleurotomariid
释义	Pleurotomariid 英语百科 Pleurotomariidae Pleurotomariidae, common name the "slit snails", is a family of large marine gastropods in the clade Vetigastropoda. This family is a very ancient lineage; there were numerous species in the geological past. The genus includes several hundred fossil forms, mostly Paleozoic. It is one of the oldest gastropod families, commencing in the Cambrian.
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