Pterioida
Classification
Phylum: Mollusca
Class: Bivalvia
Order: Pterioida (Newell, 1965)
Cincinnatian Families: Ambonychiidae, Pterineidae
Geologic Range
Ordovician – Recent
Common Paleoecology
Pterioida is an extant order of stationary low-level epifaunal suspension feeders.
Characteristics of the Order
- Generally inequivalve and pleurothetic
- Heteromyarian or monomyarian
- Ligament opisthodetic or amphidetic, and either alivincular , multivincular or duplivincular
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Treatise on Invertebrate Paleontology, Part N, Vol. 1 of 3 (1969):
Treatise on Invertebrate Paleontology, Part N, Vol. 1 of 3 (1969):
- Generally inequivalve and pleurothetic; inequilateral or secondarily nearly equilateral; heteromyarian or monomyarian; ligament opisthodetic or amphidetic, alivincular, multivincular, or duplivincular, generally extended by secondary fusion layer; prismatonacreous, crossed-lamellar or foliate; pallial line not sinupalliate
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Ambonychiidae
Pterineidae
