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Myida (formerly Myoida) is an order of saltwater and freshwater clams, marine and freshwater bivalve molluscs in the subclass Heterodonta. The order includes such bivalves as soft-shell clams, geoducks and shipworms.

Myida
A live individual of the soft-shelled clam, Mya arenaria
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Infraclass: Heteroconchia
Subterclass: Euheterodonta
Superorder: Imparidentia
Order: Myida
Stoliczka, 1870
Superfamilies and families

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Synonyms

Myoida

Description

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They are burrowing molluscs with well-developed siphons. The shell is relatively soft and lacks a nacreous layer. Some species have a single cardinal tooth.[1]

Superfamilies and families

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Superfamilies and families within the Myida include:[2]

References

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  1. ^ Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 431. ISBN 0-03-056747-5.
  2. ^ "WoRMS - World Register of Marine Species - Myida". www.marinespecies.org. Retrieved 2019-04-03.
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