Demospongea - Agelasida - Guadalupiidae

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

Belongs to Cystothalamia according to R. M. Finks 2010

Sister taxa: Cystothalamia adrianensis, Cystothalamia conica, Cystothalamia crassa, Cystothalamia distefanoi, Cystothalamia guadalupensis, Cystothalamia irregulara, Cystothalamia megacysta, Cystothalamia nana, Cystothalamia surmaqensis

Type specimen: USNM 118146

Ecology: stationary epifaunal suspension feeder