Heteroptychodus

Taxonavigation: Lamniformes 

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: ParaHoxozoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Olfactores
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Classis: Chondrichthyes
Subclassis: Elasmobranchii
Infraclassis: Euselachii
Division/Cohort: Neoselachii
Subdivision/Subcohort: Selachimorpha
Superordo: Galeomorphii
Ordo: Lamniformes

Familia: †Ptychodontidae
Genus: †Heteroptychodus

Species: †H. kokutensis – †H. steinmanni

Name

†Heteroptychodus Yabe & Obata, 1930

References

  • 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. 
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