Rhynchonellata - Orthida - Schizophoriidae

Alternative combination: Orthotichia dorashamensis

Full reference: A. N. Sokolskaja. 1965. Orthids, Strophomenids, Chonetids, and Rhynchonellids, in The Development and Change of Marine Organisms at the Palaeozoic-Mesozoic Boundary. Trudy Paleontologischeskii Institut 108:198-236

Belongs to Acosarina according to M. J. Campi et al. 2005

Sister taxa: Acosarina aethopa, Acosarina antesulcata, Acosarina baylorensis, Acosarina circular, Acosarina dunbari, Acosarina fecunda, Acosarina grandis, Acosarina incisiva, Acosarina janiceps, Acosarina juresanensis, Acosarina mesoplatys, Acosarina minuta, Acosarina monocosta, Acosarina rectimarginata, Acosarina regularis

Type specimen: PIN 2072/49, a shell (Articulated shell)

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 10.9 x 13.6, valve 14.2 x 17.6