ammonites
Rhipidomella hispidula Cooper and Grant 1976 (lamp shell)

Rhynchonellata - Orthida - Rhipidomellidae

Full reference: G. A. Cooper and R. E. Grant. 1976. Permian Brachiopods of west Texas, V. Smithsonian Contributions to Paleobiology 24:2609-3159

Belongs to Rhipidomella according to G. A. Cooper and R. E. Grant 1976

Sister taxa: Rhipidomella carbonaria, Rhipidomella caucasica, Rhipidomella cora, Rhipidomella corallina, Rhipidomella cordialis, Rhipidomella dzhuvankarensis, Rhipidomella hessensis, Rhipidomella kharaulakhensis, Rhipidomella miaolingensis, Rhipidomella michelini, Rhipidomella miscella, Rhipidomella obesiconcha, Rhipidomella orthogonia, Rhipidomella parva, Rhipidomella pecosi, Rhipidomella penniana, Rhipidomella pressula, Rhipidomella subcircularis, Rhipidomella uralica, Rhipidomella vediensis

Type specimen: USNM 150322i, a shell (Articulated shell)

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 10.2 x 9.7