The bartail spurdog, Squalus notocaudatus, is a dogfish of the family Squalidae, found on the continental shelf off Queensland, Australia, at depths of between 220 and 450 m .
The eastern longnose spurdog, Squalus grahami, is a dogfish of the family Squalidae, found off northern Queensland, at depths of between 220 and 500 m.
The spiny dogfish, spurdog, mud shark, or piked dogfish, Squalus acanthias, is one of the best known of the dogfish which are members of the family Squalidae in the order Squaliformes.
Compagno, Dando, & Fowler, Sharks of the World, Princeton University Press, New Jersey 2005 ISBN 0-691-12072-2
The western highfin spurdog, Squalus altipinnis, is a dogfish of the family Squalidae.
The western longnose spurdog, Squalus nasutus, is a dogfish of the family Squalidae, found on the continental shelf off the northwest and southwest coasts of Western Australia, at depths of between 300 and 510 m.
The cyrano spurdog, Squalus mitsukurii, is a dogfish, a member of the family Squalidae, found in the western central Pacific Ocean between latitudes 16°S and 18°S at depths of between 320 and 400 m.
The roughskin spurdog, Cirrhigaleus asper, is a dogfish of the family Squalidae, found circumglobally between latitudes 35°N and 35°S, at depths of between 200 and 600 m.
The shortspine spurdog, Squalus mitsukurii, is a dogfish, a member of the family Squalidae, found around the world on continental shelves in temperate and subtropical oceans between latitudes 45°N and 55°S, from the surface to 950 m.