Strophomenata - Productida - Linoproductidae

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 Cancrinella according to W. Z. Li et al. 2012

Sister taxa: Cancrinella alazeica, Cancrinella binata, Cancrinella boonensis, Cancrinella cancrini, Cancrinella cancriniformis, Cancrinella grandis, Cancrinella janischewskiana, Cancrinella koninckiana, Cancrinella missunae, Cancrinella nunduva, Cancrinella omolonensis, Cancrinella parva, Cancrinella penzhinaensis, Cancrinella phosphatica, Cancrinella planumbona, Cancrinella platiumbonata, Cancrinella pseudodjulfaensis, Cancrinella pseudotruncata, Cancrinella quadrata, Cancrinella rugatostriata, Cancrinella rugosa, Cancrinella sparsispinosa, Cancrinella subtilis, Cancrinella tenuissima, Cancrinella truncata, Cancrinella venevi, Platycancrinella grandauris

Type specimen: USNM 152777, a valve (Ventral valve)

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 20.8 x 22.2