Hybodus: Difference between revisions
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'''''Hybodus''''' was one of the most common, widespread and long lived |
'''''Hybodus''''' was one of the most common, widespread and long lived [[shark]] to have existed, first appearing towards the end of the [[Permian]] period, and disappearing at the beginning of the [[Cretaceous]]. This species grew to about 2 m in length, and is believed to have been an opportunist predator. It had several distinct features that made it stand apart from other primitve sharks: It had two different types of teeth, suggesting a wide diet, a bony blade on its [[dorsal fin]] for apparent protection, and the development of "claspers". These specialized, penis-like organs aid males in reproduction by directly inserting sperm into the female. This last development has been passed on to modern sharks. |
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==In popular culture== |
==In popular culture== |
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''Hybodus'' was featured in the third episode of the popular [[1999]] [[documentary]] series ''[[Walking With Dinosaurs]]'', being attracted to the [[blood]] of an ''[[Ophthalmosaurus]]'' in [[labor]]. It was unidentified in this episode. ''Hybodus'' made its return in the [[2003]] spin-off ''[[Sea Monsters]]'', briefly shown feeding on a giant |
''Hybodus'' was featured in the third episode of the popular [[1999]] [[documentary]] series ''[[Walking With Dinosaurs]]'', being attracted to the [[blood]] of an ''[[Ophthalmosaurus]]'' in [[labor]]. It was unidentified in this episode. ''Hybodus'' made its return in the [[2003]] spin-off ''[[Sea Monsters]]'', briefly shown feeding on a giant struggling ''[[Leedsichthys]]''. |
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{{Paleo-stub}} |
{{Paleo-stub}} |
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Revision as of 13:50, 22 June 2006
| Hybodus Temporal range: Late Permian to Early Cretaceous
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Fossil
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| Genus: | Hybodus
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Hybodus was one of the most common, widespread and long lived shark to have existed, first appearing towards the end of the Permian period, and disappearing at the beginning of the Cretaceous. This species grew to about 2 m in length, and is believed to have been an opportunist predator. It had several distinct features that made it stand apart from other primitve sharks: It had two different types of teeth, suggesting a wide diet, a bony blade on its dorsal fin for apparent protection, and the development of "claspers". These specialized, penis-like organs aid males in reproduction by directly inserting sperm into the female. This last development has been passed on to modern sharks.
In popular culture
Hybodus was featured in the third episode of the popular 1999 documentary series Walking With Dinosaurs, being attracted to the blood of an Ophthalmosaurus in labor. It was unidentified in this episode. Hybodus made its return in the 2003 spin-off Sea Monsters, briefly shown feeding on a giant struggling Leedsichthys.
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