†Ptygmactrum depressum Cooper and Grant 1976 (lamp shell)
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Rhynchonellata - Rhynchonellida - Petasmatheridae
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 Ptygmactrum according to G. A. Cooper and R. E. Grant 1976
Sister taxa: Ptygmactrum acutum, Ptygmactrum angulatum, Ptygmactrum extensum, Ptygmactrum mordicum, Ptygmactrum spiculatum
Type specimen: USNM 148319, a shell (Articulated shell)
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of United States (2: Texas collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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