Higher Taxon PETROMYZONTIDA
Introduction
The class Petromyzontida includes a single order of jawless fishes (Nelson 2006; Renaud 2011).
General References
Nelson, J.S. 2006. Fishes of the World. Hoboken, New Jersey : John Wiley & Sons, Inc. 601 pp.
Renaud, C.B. 2011. Lampreys of the World. An Annotated and Illustrated Catalogue of Lamprey Species Known to Date. FAO Species Catalogue for Fisheries Purposes No. 5. Rome : FAO 116 pp.