最初描述为 Lepisosteus spatula:
- Lacepède, Bernhard G. E. 1802. "Histoire naturelle des poissons". Histoire naturelle des poissons. 4:160-162 (ffm00094)
同种异名 (1):
- Litholepis adamantinus Rafinesque, 1818, 标本产地来自于 Ohio, Wabash, Green rivers, etc., U.S.A. 鉴定者: Wiley, 1976
- Lepisosteus chasei Rafinesque, 1820, 标本产地来自于 Mississippi River and Lake Pontechartrain, the Mobile, Red River, Lower Ohio, etc., eastern U.S.A. 鉴定者: Wiley, 1976
- Lepisosteus (Atractosteus) berlandieri Girard, 1858, 标本产地来自于 Matamoros (Tamaulipas), Mexico. 鉴定者: Wiley, 1976
- Atractosteus lucius Duméril, 1870, 标本产地来自于 Tampico, Mexico. 鉴定者: Wiley, 1976
保育: Atractosteus spatula 未被国际自然保护联盟（IUCN）在濒危物种红色名录中为自然保育进行评估.