ammonites
Tautosia distorta Cooper and Grant 1976 (lamp shell)

Rhynchonellata - Rhynchonellida - Wellerellidae

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 Tautosia according to G. A. Cooper and R. E. Grant 1976

Sister taxa: Tautosia angulata, Tautosia elegans, Tautosia expansa, Tautosia fastigiata, Tautosia galbina, Tautosia lenumbona, Tautosia magnisepta, Tautosia podistra, Tautosia pulchra, Tautosia shumardiana, Tautosia transenna, Tautosia zhinanensis

Type specimen: USNM 153488a, a shell (Articulated shell)

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 12.0 x 13.3