Stethacanthus

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Stethacanthus
Fossil range: Late Devonian to Early Carboniferous

Stethacanthus productus.

Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Elasmobranchii
Order:	Symmoriida
Family:	Stethacanthidae
Genus:	Stethacanthus

Species

S. altonensis
S. productus
S. praecursor
S. mirabilis
S. resistens
S. thomasi

Sharks Portal

Stethacanthus is an extinct genus of shark which lived in the Late Devonian and Early Carboniferous epochs, around 360 million years ago. The creature was almost one meter long. It probably hunted smaller creatures such as small fish.

Stethacanthus is best known for its unusually shaped dorsal fin, which resembles an anvil or ironing board. Small spikes (enlarged versions of the dermal denticles commonly covering shark skin) covered this crest, and the shark's head as well. Some scientists think the crest may have had a function in courtship; others think it may have been used for self defense.

[edit] In popular culture

In the 2003 TV documentary Sea Monsters, a spin-off from the 1999 series Walking with Dinosaurs, a Stethacanthus was briefly shown circling a large shark cage before being scared away by a much larger Dunkleosteus. It reappeared in the 2005 prequel series Walking With Monsters, chasing a Hynerpeton, only to be eaten by a Hyneria.
Stethacanthus was featured in Paleoworld, Episode 5 as the first hunting shark, yet prey for predators like the Rizodont