Genus
Virgiana Twenhofel, 1914
Luokittelu
Organism group | Biota |
Kingdom | Animalia |
Phylum | Brachiopoda |
Subphylum | Rhynchonelliformea |
Class | Rhynchonellata |
Order | Pentamerida |
Suborder | Pentameridina |
Superfamily | Pentameroidea |
Family | Virgianidae |
Subfamily | Virgianinae |
Genus | Borealis |
Holorhynchus | |
Proconchidium | |
Virgiana | |
Subgenus | (Virgiana) |