Description:

von Huene, 1922 (Platypterygius)
Wade, 1990 (P.longmani)
(Nace, 1939) McGowan, 1972 (P.americanus)
Arkhangel'skii, 1998 (P.bannovkensis)
(Efimov, 1997) (P.bedengensis)
(Ochev & Efimov, 1985) (P.birjukovi)
(Romer, 1968) McGowan, 1972? (P.kiprijanoffi)
Remains: Fossils of the biggest part of the skeleton have been found.
New born babies with their mother and a pregnant female are interesting discoveries.
Fossil sites:
 Russia
       Ulyanovsk
       Kursk
       Saratov
Australia
       Queensland
       Southern Australia
       Western Australia
       Northern Territory
United States
       Mowri Shale, eastern Wyoming
Western Europe