Strophomenidae
Classification
Phylum: Brachiopoda
Class: Strophomenata
Order: Strophomenida
Family: Strophomenidae (King, 1846)
Cincinnatian Genera: Holtedahlina , Strophomena , and Tetraphalerella
Geologic Range
Ordovician (Arenig) – Silurian (Ludlow)
Common Paleoecology
Strophomenidae is an extinct family of stationary, epifaunal suspension feeders.
Description of the Family
- Semicircular to transverse outline
- Cardinal process lobes semicircular and pronounced
- Strong socket ridges curved around laterally at their ends
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Treatise on Invertebrate Paleontology, Part H, Vol. 2 (2000):
Treatise on Invertebrate Paleontology, Part H, Vol. 2 (2000):
- Outline semicircular to transverse; cardinal process lobes robust and often subcircular, situated on the posterior end of a notothyrial platform; discrete, strong socket ridges often curved around laterally at their ends.
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Strophomena
Tetraphalerella
Holtedahlina
