-
considered valid: †
Ptychotrygon blainensis †
Ptychotrygon eutawensis †
Ptychotrygon geyeri †
Ptychotrygon mcnultyi †
Ptychotrygon pustulata †
Ptychotrygon rostrispatula...
-
extinct Cretaceous sclerorhynchoid sawfish Ptychotrygon (Chondrichthyes, Batoidea), with a
review of
Ptychotrygon taxonomy".
Journal of
Vertebrate Paleontology...
- Sclerorhynchoidei. This
family contains the
genera Archingeayia, Asflapristis,
Ptychotrygon, Ptychotrygonoides, and Texatrygon. Kriwet, J.; Nunn, E.V.; Klug, S....
- "The
first skeletal record of the
enigmatic Cretaceous sawfish genus Ptychotrygon (Chondrichthyes, Batoidea) from the
Turonian of Morocco" (PDF). Papers...
- "The
first skeletal record of the
enigmatic Cretaceous sawfish genus Ptychotrygon (Chondrichthyes, Batoidea) from the
Turonian of Morocco".
Papers in Palaeontology...
- vertebrae. A
sclerorhynchid rajoid.
Peyeria P.
libyca A sclerorhynchiform.
Ptychotrygon P.
henkeli A sclerorhynchiform.
Renpetia R.
labiicarinata A sclerorhynchiform...
- "The
first skeletal record of the
enigmatic Cretaceous sawfish genus Ptychotrygon (Chondrichthyes, Batoidea) from the
Turonian of Morocco".
Papers in Palaeontology...
- V9982). A ptychodontid. P.
whipplei Multiple teeth. A ptychodontid.
Ptychotrygon cf. P. sp.
Partial tooth (MNA V10097). A sawskate.
Scapanorhynchus S...
- Marcou, 1858 †
Ptychotrygon Jaekel, 1894 †
Ptychotrygon agujaensis McNulty & Slaughter, 1972 †
Ptychotrygon blainensis Case, 1978 †
Ptychotrygon boothi Case...
- "The
first skeletal record of the
enigmatic Cretaceous sawfish genus Ptychotrygon (Chondrichthyes, Batoidea) from the
Turonian of Morocco" (PDF). Papers...