Bivalvia - Pectinida - Heteropectinidae

Full reference: R. Posenato. 2005. Systematic descriptions, in: Bivalves and brachiopods near the Permian-Triassic boundary in the Bukk Mountains (Balvany-North section, northern Hungary). Rivista Italiana di Paleontologia e Stratigrafia 111(2):221-229

Belongs to Eumorphotis according to R. Posenato 2005

Sister taxa: Eumorphotis amplicostata, Eumorphotis bokharica, Eumorphotis ericius, Eumorphotis huancangensis, Eumorphotis inaequicostata, Eumorphotis inaequicostatus, Eumorphotis multiformis, Eumorphotis nationalis, Eumorphotis shajingengi, Eumorphotis spicata, Eumorphotis telleri, Eumorphotis venetiana, Eumorphotis virginensis, Pseudomonotis (Eumorphotis) nodulata

Type specimen: 13. Its type locality is Bálvany North section, float, which is in a Changhsingian offshore marl in the Gerennavar Formation of Hungary.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): valve length 25.8