Heteroptychodus
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
Division/Cohort: Neoselachii
Subdivision/Subcohort: Selachimorpha
Familia: †Ptychodontidae
Genus: †Heteroptychodus
Species:
†H. kokutensis –
†H. steinmanni
Name
edit†Heteroptychodus Yabe & Obata, 1930
- Type species: †Heteroptychodus steinmanni Yabe & Obata, 1930
References
edit- Yabe, H. & Obata, T. 1930. On some fossil fishes from the Cretaceous of Japan. Japanese Journal of Geology and Geography 3: 1-7, 2 pl. Reference page.