Petalodus

Phylum:Chordata

Class:Chondrichthyes

Subclass:Holocephali

Order:†Petalodontiformes

Petalodus Temporal range: Pennsylvanian–Permian PreꞒ Ꞓ O S D C P T J K Pg N
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 Owen, 1840[1][2][3][4]
Other species
†P. acuminatus Agassiz, 1838 †P. allegheniensis Leidy, 1856 †P. arcuatus St. John, 1870 †P. davisii Woodward, 1889 †P. destructor Newberry & Worthen, 1870 †P. flabulella Woodward, 1889 †P. grandis Davis, 1883 †P. jewetti Miller, 1957[5] †P. luminaries Agassiz, 1838 †P. ohioensis Safford, 1851 †P. sagittatus Agassiz, 1843 †P. securiger? Hay, 1895
Synonyms
Getalodus Safford, 1853 Sicarius Leidy, 1856

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]