Myoida

Myoida

A live individual of the soft-shelled clam, Mya arenaria
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Subclass:	Heterodonta
Order:	Myoida Stoliczka, 1870
Superfamilies and Families
See text

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

Description

These 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

Superfamilies and families within the Myoida include:

Superfamily Anomalodesmacea
Superfamily Gastrochaenoidea
- Gastrochaenidae
Superfamily Hiatelloidea
- Hiatellidae
Superfamily Myoidea
- Myidae
- Corbulidae
Superfamily Pholadoidea
- Pholadidae
- Teredinidae

References

↑ Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 431. ISBN 0-03-056747-5.

Powell A W B, New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1

External links

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