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 …