Considered a synonym of 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)
Original description as Lepidosteus rostratus:
- Richardson, John. 1836. "Fishes". Narrative of the Arctic land expedition to the mouth of the Great Fish River, and along the shores of the Arctic Ocean in the years 1833, 1834, and 1835. 1-663 (ffm00327)