Petalodus Temporal range:
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P. ohioensis tooth | |
Scientific classification ![]() | |
Domain: | Eukaryota |
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.[2][3][4][5] The only dubious species within this genus is P. securiger.[8][9]