Synonyma
Caragola Gray, 1851 ― Caragola lapicida Gray, 1851
Typový druh
Petromyzon mordax Richardson, 1846.
Původní popis
Gray, J. E. 1851. List of the specimens of fish in the collection of the British Museum. Part I.--Chondropterygii. London. List Spec. Brit. Mus.: i-x + 1-160, Pls. 1-2.