Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Classis: Chondrichthyes
Subclassis: Elasmobranchii
Superordo: †Xenacanthimorpha
Ordo: †Xenacanthiformes
Familia: †Xenacanthidae
Genus: †Xenacanthus
Species: †Xenacanthus ragonhai
Name
†Xenacanthus ragonhai Pauliv et al., 2014
References
- Pauliv, V. E., Dias, E. V., Sedor, F. A. & Ribeiro, A. M., 2014: A new Xenacanthiformes shark (Chondrichthyes, Elasmobranchii) from the Late Paleozoic Rio do Rasto Formation (Paraná Basin), Southern Brazil. Anais da Academia Brasileira de Ciências 86 (1): 135–145. DOI: 10.1590/0001-37652014107612 Reference page.
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