Rhynchonellata - Spiriferinida - Spiriferellinidae

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

Sister taxa: Spiriferellina aduncata, Spiriferellina aequiplicata, Spiriferellina altiplecusformis, Spiriferellina anguliplica, Spiriferellina bilotensis, Spiriferellina cambodgiensis, Spiriferellina cristata, Spiriferellina discoformis, Spiriferellina disparata, Spiriferellina elegantula, Spiriferellina enteleteformis, Spiriferellina hilli, Spiriferellina hochuanensis, Spiriferellina lacunosa, Spiriferellina lata, Spiriferellina nasuta, Spiriferellina nasuta, Spiriferellina netschajewi, Spiriferellina nuda, Spiriferellina orientalis, Spiriferellina pauciplicata, Spiriferellina pokrowskensis, Spiriferellina quadriplicata, Spiriferellina quantula, Spiriferellina rouxi, Spiriferellina tareica, Spiriferellina tricosa, Spiriferellina triquetra, Spiriferellina vercherei, Spiriferellina vescula, Spiriferellina yanagidai, Spiriferellina zewanensis

Type specimen: USNM 154691a, a shell (Articulated shell). Its type locality is USNM706b, Hess Canyon, Glass Mtns., which is in a Wordian offshore shelf packstone/wackestone in the Word Formation of Texas.

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 11.0 x 13.1, valve 9.17 x 13.33