Pyxis arachnoides Bell 1827:395

Iverson, John B., 2022, A review of Chelonian type specimens (order Testudines), Megataxa 7 (1), pp. 1-85 : 57

Pyxis arachnoides Bell 1827:395

Syntypes (2): OUM 1092 (illustrated in Fig. 2 in the original description; photographed in Bour 1981:139–140) and 8528 (apparently illustrated in Fig. 1 in the original description; photographed in Bour 1981:139)(Nowak-Kemp & Fritz 2010:15); OUM 1092 designated lectotype by Bour (1979:153).

Pyxis madagascariensis Lesson 1831:120

Holotype: Not located; possibly in the MNHM.

Pyxis arachnoides brygooi (Vuillemin & Domergue 1972:193)

Holotype: MNHN A.277 (photographed in the original description, p. 196, Pl. I, Fig. 2, and p. 199, Pl. IV, Fig. 4, and in Bour 1981:140–41); no paratypes designated.