†subfamily Chaenocardiinae Miller 1889 (scallop)
Bivalvia - Pectinida - Aviculopectinidae
Parent taxon: Aviculopectinidae according to H. E. Vokes 1980
Sister taxa: Amphijanira, Antijanirini, Aviculopecten, Aviculopectininae, Clavicosta, Echiniferipectininae, Euchondriinae, Eumorphotis, Globodiscini, Hayasakapectininae, Imoella, Neopecten, Ornithopecten, Paradoxipecten, Primahinnites, Qinghaipecten, Spyridopectininae, Undopectininae
Subtaxa: Obliquipecten
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of China (1 collection), Mexico (1), United States (22: Texas, Wyoming)
• Carboniferous of the United Kingdom (4)
Total: 28 collections each including a single occurrence