Chelonoidis niger duncanensis (Pritchard 1996:47)

Holotype: MCZ 11068 (by lectotype designation by Pritchard 1996 from among the syntypes of Testudo duncanensis Garman 1917).

Testudo duncanensis (Garman 1917:269)

Syntypes (number uncertain): included at least MCZ 11068 (illustrated in the original description, Pl. 41); MCZ 11068 designated lectotype by Pritchard (1996:47) .