Placidichthys bidorsalis

Taxonavigation: Neopterygii 

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii

Infraclassis: Holostei
Division: Halecomorphi
Ordo: †Ionoscopiformes
Genus: †Placidichthys

Species: †Placidichthys bidorsalis

Name edit

Placidichthys bidorsalis Brito, 2000

References edit

  • Brito, P.M. 2000. A new halecomorph with two dorsal fins, Placidichthys bidorsalis n. g., n. sp. (Actinopterygii: Halecomorphi) from the Lower Cretaceous of the Araripe Basin, northeast Brazil. Earth and Planetary Sciences 331: 749–754. DOI: 10.1016/S1251-8050(00)01477-4 Reference page