Myriacanthus

Myriacanthus
Temporal range: Late Triassic to Early Jurassic,
The skull and dorsal fin spine of M. paradoxus, in the collection of the Natural History Museum, London
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Holocephali
Order: Chimaeriformes
Family: Myriacanthidae
Genus: Myriacanthus
Agassiz, 1836
Species:
M. paradoxus
Binomial name
Myriacanthus paradoxus
Agassiz, 1836
Synonyms

Prognathodus guentheri Egerton, 1872

Myriacanthus is an extinct genus of cartilaginous fish belonging to the order Chimaeriformes. The only named species, Myriacanthus paradoxus, is known from the Early Jurassic of England, France, Belgium, and Denmark, and the Late Triassic of England. Myriacanthus had armor plates on its head and a long fin spine on its dorsal fin.