Platysternon megacephalum Gray 1831:107

Holotype: BMNH 1946.9.7.42.

Platysternon megacephalum peguense Gray 1870: 70

Syntypes (2): BMNH 1946.1.22.21-22 (formerly 1868.6.6.2-3).

Platysternon megacephalum vogeli Wermuth 1969:372

Holotype: SMNS 4573 (Schlüter & Hallermann 1997:10; alive when described); paratype (1), SMNS 3755 (Schlüter & Hallermann 1997:10).

Platysternon megacephalum tristernalis Schleich & Gruber 1984:68

Holotype: ZSM 317/1980/1 (Franzen & Glaw 2007:207; not 319/1980/1 as originally cited; photographed in Vetter 2006:110); paratype (1), ZSM 318/1980 (Franzen & Glaw 2007:207). Both types originally unnumbered, but later renumbered in the ZSM following Franzen & Glaw (2007).

Platysternon megacephalum shiui Ernst & McCord 1987:626

Holotype: USNM 266160; paratype (1), USNM 266161 (Reynolds et al. 2007:30).