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Petasmatherus depressus Cooper and Grant 1976 (lamp shell)

Rhynchonellata - Rhynchonellida - Petasmatheridae

PaleoDB taxon number: 126026

Full reference: G. A. Cooper and R. E. Grant. 1976. Permian Brachiopods from West Texas, IV. Smithsonian Contributions to Paleobiology 21:1923-2607

Belongs to Petasmatherus according to G. A. Cooper and R. E. Grant 1975

Sister taxa: Petasmatherus mundus, Petasmatherus nitidus, Petasmatherus opulus, Petasmatherus pumilus, Petasmatherus pusillus, Petasmatherus recticardinatus

Type specimen: USNM 154614, a shell (Articulated shell)

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 5.00 x 4.40