Hexanchidae

Cow sharks

5 species

1. 1Heptranchias perlo (Bonnaterre, 1788) · Sharpnose sevengill sharkocean · deep-water
2. 2Hexanchus griseus (Bonnaterre, 1788) · Bluntnose sixgill sharkocean · subtropical
3. 3Hexanchus nakamurai Teng, 1962 · Bigeyed sixgill sharkocean · deep-water
4. 4Hexanchus vitulus Springer & Waller, 1969 · Atlantic bigeye sixgill sharkocean · tropical
5. 5Notorynchus cepedianus (Péron, 1807) · Broadnose sevengill sharkbrackish · ocean · subtropical

Source: FishBase v25.04 (fishbase.org), via cboettig/fishbase, fetched 2026-10-18.