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Southern topeyed lampreys
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Cephalaspidomorphi
Order: Petromyzontiformes
Family: Mordaciidae
T. N. Gill, 1893
Genus: Mordacia
J. E. Gray, 1851
Type species
Petromyzon mordax
J. Richardson, 1846
  • Caragola Gray 1851 non Moore 1879

Mordacia is the sole genus of the family Mordaciidae, also known as the southern topeyed lampreys.


There are currently three recognized species in this genus:[1]


  1. ^ Froese, Rainer, and Daniel Pauly, eds. (2013). Species of Mordacia in FishBase. April 2013 version.