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Cladus: Eukaryota Supergroup: Opisthokonta Regnum: Animalia Subregnum: Eumetazoa Cladus: Bilateria Cladus: Nephrozoa Cladus: Deuterostomia Phylum: Chordata Subphylum: Vertebrata Infraphylum: Gnathostomata Superclassis: Tetrapoda Classis: Amphibia Subclassis: †Labyrinthodontia Ordo: Temnospondyli Subordo: Rhachitomi Familia: Rhytidosteidae Genera: Arcadia - Boreopelta - Deltasaurus - Derwentia - Pneumatostega - Rhytidosteus - Sangaia
Biology Encyclopedia
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Source: Wikispecies: All text is available under the terms of the GNU Free Documentation License
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