Petalodus Temporal range: | |
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P. ohioensis tooth | |
Scientific classification ![]() | |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Chondrichthyes |
Subclass: | Holocephali |
Order: | † Petalodontiformes |
Family: | † Petalodontidae |
Genus: | † Petalodus Owen, 1840 |
Type species | |
†Petalodus hastingsii | |
Other species | |
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Synonyms | |
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Petalodus is an extinct genus of cartilaginous fish from the Pennsylvanian to the Permian, [6] [7] known from subtriangular to rhomboidal teeth. [7] The genus was named by Richard Owen in 1840 and the type species is Petalodus hastingsii. [1] [2] [3] [4] The only dubious species within this genus is P. securiger. [8] [9]