Species:
Middendorffinaia mongolica >
Genus:
Middendorffinaia >
Tribe:
Middendorffinaiini >
Subfamily:
Unioninae >
Family:
Unionidae >
Superfamily:
Unionoidea >
Order:
Unionida >
Subterclass:
Palaeoheterodonta >
Infraclass:
Heteroconchia >
Subclass:
Autobranchia >
Class:
Bivalvia >
Phylum:
Mollusca >
Kingdom:
Animalia >
Unranked:
Biota >