- known ; P.
clerci from Arta Beds of the Ural
Mountains of Russia, and P.
mariosuarezi from the
Copacabana Formation of Bolivia.
Members of the
genus possessed...
- Karpinsky, 1922 †Parahelicoprion
clerci Karpinsky, 1916 †Parahelicoprion
mariosuarezi Merino-Rodo & Janvier, 1986 †Parahemiscyllium Guinot,
Cappetta & Adnet...