Uznawany jako synonim Lepisosteus oculatus Winchell, 1864
- 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 Cylindostreus productus:
- Cope, Edward D. 1865. "Partial catalogue of the cold-blooded Vertebrata of Michigan. Part I". Proceedings of the Academy of Natural Sciences of Philadelphia. 16:276-285 (ffm00099)