Symphurus plagiusa (Linnaeus, 1766)
| Scientific results of explorations by the U. S. Fish Commission steamer Albatross. No IX, .Catalogue of fishes collected at Port Castries, St, Lucia, by the steamer Albatross, November, 1888 David Starr Jordan (1890) Proceedings of The United States National Museum 12: 645-652 | |
| Notes on a collection of fishes from Cameron, Louisiana F W Weymouth (1910) Proceedings of the United States National Museum 38: 135-145 | |
| Notes on Louisiana fishes H W Fowler (1933) Proceedings of The Biological Society of Washington 46: 57-63 | |
| Western Atlantic tonguefishes of the Symphurus plagusia complex (Cynoglossidae: Pleuronectiformes), with descriptions of two new species T A Munroe (1991) Fish. Bull 89: 247-287 |