Dunkleosteus

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Dunkleosteus
Temporal range: 380–360 Ma
Late Devonian
Dunkleosteus skull, Queensland Museum
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Placodermi
Order: Arthrodira
Family: Dinichthyidae
Genus: Dunkleosteus
Lehman, 1956
Species
  • D. terrelli (Newberry, 1873) (type)
  • ?D. marsaisi
  • D. raveri
  • D. amblyodoratus
Synonyms
  • Ponerichthys

Dunkleosteus was a prehistoric fish are biggest member of the family Dinichthyidae ("terrible fishes"). It was a heavily armored primitive fish from the Late Devonian period, living about 360 million years ago. Dunkleosteus was not a shark but a placoderm with a shark-like tail. Fossils have been found in Morocco, Africa, Poland, Belgium, China, and the USA.

Description [change]

This top predator was up to 11.5 ft (3.5 m) long and had large, scissor-like cutting jaws with serrated, razor-sharp bones, but no teeth. Its skull was over 2 feet (65 cm) long. It had a jointed neck, an eel-like tail, a scale-less body, and hinged body shields.