Čeleď: Tetraodontidae Bonaparte, 1831
Rod: Sphoeroides Anonymous [Lacepède], 1798
Orbis psittacinus Billberg, 1833; Tetraodon ammocryptus Gosse, 1851.
čtverzubec želví
Linnaeus, C. 1758. Systema Naturae, Ed. X. (Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio decima, reformata.) Holmiae. Systema Nat. ed. 10 v. 1: i-ii + 1-824.