The Order
Lamniformes
contains these Families:
21. Odontaspididae [sand tigers]
22. Mitsukurinidae [goblin shark]
23. Pseudocarchariidae [crocodile shark]
24. Megachasmidae [megamouth shark]
25. Alopiidae [thresher sharks]
26. Cetorhinidae [basking shark]
27. Lamnidae [mackerel sharks]