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Families Genera Species Note
Holocephali †Orodontiformes †Petalodontiformes
Petalodonts Zangerl, 1981 4
Members of the holocephali, some
genera resembled parrot...
-
Dalla Vecchia,
Fabio Marco, and
Museo Paleontologico Cittadino. "A new
petalodont tooth (Chondrichthyes, Petalodontiformes) from the
Lower Permian of the...
- more
closely related to
chimaeras and
their relatives (eugeneodonts,
petalodonts, etc), and not
elasmobranchs like
sharks and rays. Roberts,
George (1839)...
- feet).
Other fish had
piercing teeth, such as the Symmoriida; some, the
petalodonts, had
peculiar cycloid cutting teeth. Most of the
other cartilaginous...
- Rickard; Tweet,
Justin S.; Santucci,
Vincent L. (2023-07-06). "Jan****id
petalodonts (Chondrichthyes, Petalodontiformes, Jan****idae) from the
middle Mississippian...
-
known member of the
order Petalodontiformes. Lund,
Richard (1989). "New
petalodonts (Chondrichthyes) from the
Upper Mississippian Bear
Gulch Limestone (Namurian...
- only from the
limestones of
Mammoth Cave Tooth-plate of a shark-like
petalodont fish
Dorsal fin
spine of a
ctenacanth shark,
exposed from the limestone...
-
Netsepoye hawesi is
closely related to Jan****a.
Richard Lund (1989). "New
petalodonts (Chondrichthyes) from the
Upper Mississippian Bear
Gulch Limestone (Namurian...
- if this is true, then the
holocephalids (chimaeras, iniopterygians,
petalodonts, et al.)
diverged from
sharks before the
Chondrichthyan Devonian radiation...
- a
single species: M. kaibab****. It was one of the last and
largest petalodonts;
estimates place it at 1.6
meters or 5.2 feet in
length with a 20 centimeter...
