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
- Superfamily Hiatelloidea
- Superfamily Myoidea
- Superfamily Pholadoidea
References
- 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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