Original description as Catostomus elongatus:
ZooBank:FBDEED26-8ECB-44FC-A3E5-2083CA2331B8.
- Lesueur, Charles-Alexander. 1817. "A new genus of fishes, of the order Abdominales, proposed, under the name of Catostomus; and the characters of this genus, with those of its species, indicated". Journal of the Academy of Natural Sciences, Philadelphia. 1(5, 6):88-96, 102-111 (ffm00372)
Synonyms (1):
- Cycleptus nigrescens Rafinesque, 1819, with type locality at Ohio and Missouri rivers, U.S.A. Determiner: Gilbert, 1998
Conservation: Cycleptus elongatus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2019).