最初命名為 Lepisosteus spatula:
- Lacepède, Bernhard G. E. 1802. "Histoire naturelle des poissons". Histoire naturelle des poissons. 4:160-162 (ffm00094)
同種異名 (1):
- Litholepis adamantinus Rafinesque, 1818, 其模式產地在 Ohio, Wabash, Green rivers, etc., U.S.A. 鑑定者: Wiley, 1976
- Lepisosteus chasei Rafinesque, 1820, 其模式產地在 Mississippi River and Lake Pontechartrain, the Mobile, Red River, Lower Ohio, etc., eastern U.S.A. 鑑定者: Wiley, 1976
- Lepisosteus (Atractosteus) berlandieri Girard, 1858, 其模式產地在 Matamoros (Tamaulipas), Mexico. 鑑定者: Wiley, 1976
- Atractosteus lucius Duméril, 1870, 其模式產地在 Tampico, Mexico. 鑑定者: Wiley, 1976
保育: Atractosteus spatula 尚未被國際自然保育聯盟列入IUCN受威脅物種紅皮書名單中.