Rhynchonellata - Spiriferida - Ambocoeliidae

Alternative combinations: Ambocoelia guadalupensis, Crurithyris guadalupensis

Full reference: G. H. Girty. 1908. The Guadalupian fauna. United States Geological Survey Professional Paper 58:1-651

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 inflata, Orbicoelia magna, Orbicoelia pusilla, Orbicoelia speciosa, Orbicoelia tholiaphor, Orbicoelia tschernyschewi, Orbicoelia tumibilis

Type specimen: USNM 118598a, a shell (Articulated shell)

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 6.31 x 6.72