Třída: Actinopterygii - paprskoploutví
Řád: Tetraodontiformes - čtverzubci
Čeleď: Triacanthodidae - trojtrnovití

Synonyma: Triacanthoides athiops Alcock, 1894; Paratriacanthodes myersi Fraser-Brunner, 1941; Triacanthodes anomalus japonicus Kamohara, 1943.

Reference: Alcock, A. W. 1894. Natural history notes from H. M. Indian marine survey steamer 'Investigator,'... Series II., No. 11. An account of a recent collection of bathybial fishes from the Bay of Bengal and from the Laccadive Sea. J. Asiatic Soc. Bengal v. 63 (pt 2): 115-137, Pls. 6-7.