Category:Arduspirifer
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Domain: Eukaryota • Regnum: Animalia • Subregnum: Eumetazoa • Cladus: Bilateria • Superphylum: Protostomia • Phylum: Brachiopoda • Classis: Rhynchonellata • Ordo: Spiriferida • Subordo: Delthyridina • Superfamilia: Delthyridoidea • Familia: Hysterolitidae • Subfamilia: Hysterolitinae • Genus: Arduspirifer Mittmeyer, 1972