Opisthoptera Meek 1871 (clam)

Bivalvia - Myalinida - Ambonychiidae

Synonym: Opistholoba Ulrich in Hussey 1926

Full reference: F. B. Meek. 1871. A preliminary list of fossils collected by Dr. Hayden in Colorado, New Mexico, and California, with brief descriptions of a few of the new species. Proceedings of the American Philosophical Society 11:425-431

Parent taxon: Ambonychiidae according to J. Pojeta 1966

See also Sepkoski 2002

Sister taxa: Allonychia, Ambonychia, Ambonychinia, Ambonychiopsis, Amphicoelia, Amphiocoelia, Anomalocoelia, Anomalodonta, Byssopteria, Claudeonychia, Cleionychia, Elasmodophora, Fasciculiptera, Glyptonychia, Gosseletia, Leconychia, Lophonychia, Maryonychia, Mytilarca, Notonychia, Paramytilarca, Praeanomalodonta, Psilonychia, Pteronychia, Silurinka, Xinshaophorus

Subtaxa: Opisthoptera alternata Opisthoptera casei Opisthoptera gouldi Opisthoptera griffini

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Type: Megaptera casei

Ecology: stationary epifaunal suspension feeder


• Ordovician of Canada (5: Ontario collections), United States (9: Indiana, Michigan, Ohio)

Total: 14 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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