Rhynchonellata - Spiriferida - Ambocoeliidae

Alternative combination: Crurithyris tholiaphor

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 Orbicoelia according to Z. Q. Chen and G. R. Shi 2006

Sister taxa: Orbicoelia cordata, Orbicoelia dolomitensis, Orbicoelia elongatiformis, Orbicoelia extima, Orbicoelia flabelliformis, Orbicoelia fraterculus, Orbicoelia guadalupensis, Orbicoelia inflata, Orbicoelia magna, Orbicoelia pusilla, Orbicoelia speciosa, Orbicoelia tschernyschewi, Orbicoelia tumibilis

Type specimen: USNM 152445k

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 7.83 x 8.25