Overview
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The Arcoida is an order of clams or bivalve molluscs. This order dates back to the lower Ordovician period.
Seven families are currently recognised within the order, including the well-known ark clams or ark shells in the family Arcidae.
Superfamilies and Families in the Order Arcoida
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- Superfamily Arcoidea
- Arcidae
- Cucullaeidae
- Noetiidae
- Parallelodontidae
- Superfamily Limopsoidea
- Glycymerididae
- Limopsidae
- Philobryidae
Photos
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Taxonomy
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The Order Arcoida is further organized into finer groupings including:
- Family (3): Buchiolidae · Cyrtodontidae · Phylobryidae
- Species: ZipcodeZoo has pages for 444 species and subspecies in the Order Arcoida.
Families
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Buchiolidae
Cyrtodontidae
Phylobryidae
At least 7 species and subspecies belong to the Family Phylobryidae.
More info about the Family Phylobryidae may be found here.
References
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Wikispecies has information related to:
Arcoida
Sources
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- The distribution map on the Distribution tab comes from the Global Biodiversity Information Facility and is used with permission.
- Photographs on this page are copyrighted by individual photographers, and individual copyrights apply.
- The GMapImageCutter is used under license from the UCL Centre for Advanced Spatial Analysis.
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