Uznawany jako synonim Lepisosteus osseus (Linnaeus, 1758)
- Wiley, E.O. 1976. "The phylogeny and biogeography of fossil and recent gars (Actinopterygii: Lepisosteidae)". University of Kansas Museum of Natural History, Miscellaneous Publications. (64):1-111 (ffm00291)
Oryginalny opis jako Lepisosteus leptorhynchus:
- Girard, Charles Frederic. 1858. "Fishes". General report upon zoology of the several Pacific railroad routes, 1857. 1-400 (ffm00231)