Ptomacanthus

Ptomacanthus
Temporal range:
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Genus: Ptomacanthus
Miles 1973
Species:
P. anglicus
Binomial name
Ptomacanthus anglicus
Miles 1973

Ptomacanthus (meaning thorny corpse) is an extinct genus of spiny shark, an early relative of living cartilaginous fishes (sharks, rays, and chimaeras).