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Myoida
Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Bivalvia
Subclassis: Heterodonta
Ordo: Myoida
Familiae: Corbulidae - Erodonidae - Gastrochaenidae - Hiatellidae - Myidae - Pholadidae - Spheniopsidae - Teredinidae
Name
Myoida Goldfuss, 1820
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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
Animaldiversity
Taxonomicon
Source: Wikipedia, Wikispecies: All text is available under the terms of the GNU Free Documentation License
