unicolor, Ammocoetes DeKay [J. E.] 1842:383, Pl. 79 (fig. 250) [Zoology of New-York; ref. 1098] Lake Champlain and New York, U.S.A. Syntypes: whereabouts unknown. •Synonym of Ichthyomyzon fossor Reighard & Cummins 1916 -- (Smith 1986:35 [ref. 22186], Scott & Crossman 1998:51 [ref. 24570]). Current status: Synonym of Ichthyomyzon fossor Reighard & Cummins 1916. Petromyzontidae. Habitat: freshwater.