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nikitini Chabakov & Zonov, 1935
Pachyhexanchus Cappetta, 1990
Pachyhexanchus pockrandti Ward & Thies, 1987
Family Hexanchidae Gladioserratus Underwood, Goswami...
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subrecurvus Oppenheimer, 1907 †Pachyhexanchus Cappetta, 1990 †Pachyhexanchus
pockrandti Ward & Thies, 1987 †Paraheptranchias Pfeil, 1981 †Paraheptranchias repens...
- †Pachygymnura
attiai Cook, 2010 †Pachyhexanchus Cappetta, 1990 †Pachyhexanchus
pockrandti Ward & Thies, 1987 †Pachyscyllium Reinecke, Moths,
Grant & Breitkreuz...