fluviatilis, Algoma Girard [C. F.] 1856:181 [17] [Proceedings of the Academy of Natural Sciences of Philadelphia v. 8; ref. 1810] Near Monterrey, Nuevo León, Mexico. Holotype (unique): USNM 148 (lost) (1 pharyngeal arch as #2726). Type catalog: Gilbert 1998:80 [ref. 23395]. On p. 17 of separate. •Probably a synonym of Hybognathus amarus (Girard 1856) -- (Gilbert 1998:80 [ref. 23395]). Current status: Synonym of Hybognathus amarus (Girard 1856). Leuciscidae: Pogonichthyinae. Habitat: freshwater.