Genus
Quadrithyris Havliček, 1957
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Luokittelu
Organism group | Biota |
Kingdom | Animalia |
Phylum | Brachiopoda |
Subphylum | Rhynchonelliformea |
Class | Rhynchonellata |
Order | Spiriferida |
Suborder | Delthyridina |
Superfamily | Reticularioidae |
Family | Xenomartiniidae |
Subfamily | Quadrithyridinae |
Genus | Quadrithyris |
Species | sinuata |
trio |
See also