ammonites
Liosotella rotunda Cooper and Grant 1975 (lamp shell)

Strophomenata - Productida - Productellidae

Full reference: G. A. Cooper and R. E. Grant. 1975. Permian Brachiopods of West Texas, III. Smithsonian Contributions to Paleobiology 19:795-1921

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

Sister taxa: Liosotella angustata, Liosotella compacta, Liosotella cooperi, Liosotella costata, Liosotella decimana, Liosotella grandicosta, Liosotella heilongjiangensis, Liosotella hemispherica, Liosotella irregularis, Liosotella magnirugosa, Liosotella miaolingensis, Liosotella minuscula, Liosotella mongugaensis, Liosotella opima, Liosotella parva, Liosotella popei, Liosotella rugosa, Liosotella spinumbona, Liosotella subcylindrica, Liosotella subrugosa, Liosotella tetragonalis, Liosotella texana, Liosotella wordensis

Type specimen: USNM 154122a, a shell (Articulated shell)

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 13.6 x 15.1