❌--saw sharks--lengthened snout, two dorsal fins, no anal fin
Squaliformes--❌--two dorsal fins, no anal fin, 5 gill slits
Squatiniformes--❌--two dorsal fins, no anal fin, pectoral and pelvic fins broad
❌--hammerhead, bonnethead, blacktip reef, bull--two dorsal fins, anal fin, 5 gill slits, nictitating membrane
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Pristiophoriformes
Pristiophoriformes
Chimaeriformes
Chimaeriformes
dogfish, lantern
dogfish, lantern
guitarfish and skates
guitarfish and skates
angel sharks
angel sharks
cow sharks, frilled sharks
cow sharks, frilled sharks
Carcharhiniformes
Carcharhiniformes
Hexanchiformes
Hexanchiformes
Torpediniformes
Torpediniformes