Pteriomorphia: Difference between revisions
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'''Pteriomorphia''' is a [[mollusc]] [[subclass]] of the [[Bivalvia]]. Apart from the orders [[Arcoida]], [[Mytiloida]], [[Ostreoida]], and [[Pterioida]], it also contains some extinct and probably [[Basal (phylogenetics)|basal]] [[family (biology)|families]], such as the [[Evyanidae]], [[Colpomyidae]], [[Bakevelliidae]], [[Cassianellidae]] and [[Lithiotidae]]. |
'''Pteriomorphia''' is a [[mollusc]] [[subclass]] of the [[Bivalvia]]. Apart from the orders [[Arcoida]], [[Mytiloida]], [[Ostreoida]], and [[Pterioida]], it also contains some extinct and probably [[Basal (phylogenetics)|basal]] [[family (biology)|families]], such as the [[Evyanidae]], [[Colpomyidae]], [[Bakevelliidae]], [[Cassianellidae]] and [[Lithiotidae]]. |
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Pteriomorpha molluscs have lamellibranch |
Pteriomorpha molluscs have lamellibranch [[gill]]s and are epibenthic. Some can attach to substrate using a [[byssus]]. One foot is reduced. The [[mantle (mollusc)|mantle]] margins are not fused. Gills are usually large and assist in feeding. This group includes the well known mussels, scallops, pen clams, and oysters. |
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==Orders in the subclass Pteriomorphia== |
==Orders in the subclass Pteriomorphia== |
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Revision as of 08:29, 5 December 2008
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| Subclass: | Pteriomorphia
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Pteriomorphia is a mollusc subclass of the Bivalvia. Apart from the orders Arcoida, Mytiloida, Ostreoida, and Pterioida, it also contains some extinct and probably basal families, such as the Evyanidae, Colpomyidae, Bakevelliidae, Cassianellidae and Lithiotidae.
Pteriomorpha molluscs have lamellibranch gills and are epibenthic. Some can attach to substrate using a byssus. One foot is reduced. The mantle margins are not fused. Gills are usually large and assist in feeding. This group includes the well known mussels, scallops, pen clams, and oysters.
Orders in the subclass Pteriomorphia
References
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