Cucullanus

Cucullanus is a genus of parasitic nematodes. The genus includes more than 100 species. Among the species, Cucullanus cirratus is a parasite of cod. Cucullanus genypteri is a parasite of the pink cusk-eel, Genypterus blacodes. Two species known as C. pybusae and C. stelmoides were discovered in 1978 inhabiting the liver and intestines of the American brook lamprey.