(Redirected from Cladoselachiformes)

Cladoselachidae is an extinct family of cartilaginous fishes and among the earliest predecessors of modern sharks. They are the only members of the order Cladoselachiformes and were characterized by having an elongated body with a spine in each of the two dorsal fins.

Temporal range: Late DevonianEarly Carboniferous
Early Shark.jpg
A reconstruction of Cladoselache
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Infraclass: Euselachii
Superorder: Selachimorpha
Order: Cladoselachiformes
Family: Cladoselachidae
Dean, 1894