ammonites
Wellerella nitidula 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 Wellerella according to G. A. Cooper and R. E. Grant 1976

Sister taxa: Wellerella arthaberi, Wellerella bidentata, Wellerella connivens, Wellerella delicatula, Wellerella girtyi, Wellerella globosa, Wellerella granum, Wellerella hemiplicata, Wellerella lemasi, Wellerella longiplicata, Wellerella minuta, Wellerella multiplicata, Wellerella osagensis, Wellerella polycostata, Wellerella rotunda, Wellerella saxatilis, Wellerella tetrahedra, Wellerella tetraplicata, Wellerella truncata

Type specimen: USNM 152866c, a shell (Articulated shell)

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 7.59 x 7.84