Sphenacanthus
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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Classis: Chondrichthyes
Subclassis: Elasmobranchii
Infraclassis: Euselachii
Familia: †Sphenacanthidae
Genus: †Sphenacanthus
Species:
†S. aequacanthus –
†S. carbonarius –
†S. exiguus –
†S. fifensis –
†S. giranensis –
†S. macrocephalus –
†S. orthacantha –
†S. riorastoensis –
†S. sanpauloensis –
†S. serrulatus –
†S. tenerrimus –
†S. venusta
Nome[modifica]
†Sphenacanthus Agassiz, 1837
- Specie tipo: †Sphenacanthus serrulatus Agassiz, 1837
Riferimenti[modifica]
- Agassiz, J.L.R. 1837. Recherches Sur Les Poissons Fossiles. Tome III (livr. 8–9). Imprimérie de Petitpierre, Neuchatel viii–72. Reference page.
- Maisey, J.G. 1982. Studies on the Paleozoic selachian genus Ctenacanthus Agassiz. No. 2, Bythiacanthus St. John and Worthen, Amelacanthus, new genus, Eunemacanthus St. John and Worthen, Sphenacanthus Agassiz, and Wodnika Münster. American Museum Novitates 2722: 1–24, 11 fig. PDFReference page.