Original description:
- Jordan, David Starr & B.W. Evermann. 1896. "The fishes of North and Middle America: A descriptive catalogue of the species of fishes and fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama. Part I". Bulletin of the United States National Museum. 47:1-1240 (ffm00055)
Described species included (3):
valid: 1 synonym: 2- Clupea gigantea Shaw, 1804 (synonym)
- Megalops atlanticus Valenciennes, 1847 (valid)
- Megalops elongatus Girard, 1859 (synonym)