Rhynchonellata - Orthida - Schizophoriidae
Synonym: Sunacosarina Liang 1990
Full reference: G. A. Cooper and R. E. Grant. 1969. New Permian brachiopods from west Texas. Smithsonian Contributions to Paleobiology 1:1-20
Parent taxon: Schizophoriidae according to A. Williams et al. 2000
Sister taxa: Aulacophoria, Kotlaia, Neoschizophoria, Orthotichia, Palaeoschizophoria, Schizophoria
Subtaxa: Acosarina aethopa, Acosarina antesulcata, Acosarina baylorensis, Acosarina circular, Acosarina dorashamensis, Acosarina dunbari, Acosarina fecunda, Acosarina grandis, Acosarina incisiva, Acosarina janiceps, Acosarina juresanensis, Acosarina mesoplatys, Acosarina minuta, Acosarina monocosta, Acosarina rectimarginata, Acosarina regularis
Ecology: stationary epifaunal suspension feeder