Bivalvia - Myalinida - Atomodesmatidae

Alternative combination: Atomodesma stepanovi

Full reference: V. A. Muromtseva. 1984. Taxonomic Descriptions. Permskie Morskie Otlozheniya I Dvustvorchatie Mollyuski Sovetskoi Arktiki 1-154

Belongs to Aphanaia according to A. S. Biakov 2007

Sister taxa: Aphanaia andrianovi, Aphanaia budnikovi, Aphanaia dilatata, Aphanaia dulgalakhensis, Aphanaia erectum, Aphanaia haibensis, Aphanaia judomensis, Aphanaia korkodonica, Aphanaia kutygini, Aphanaia mitchelli, Aphanaia orbirugata, Aphanaia otamaensis, Aphanaia sakya, Aphanaia salinaria, Aphanaia tivertonensis, Aphanaia waterhousei

Type specimen: 133/11570. Its type locality is Bytyk River, northern Verkhoyan, which is in a Wuchiapingian marine siliciclastic in the Dulgalakh Formation of the Russian Federation.