Pyxis arachnoides oblonga Gray 1869:173

Holotype: BMNH 1861.3.20.31; photographed in Bour (1982b:29).

Pyxis arachnoides matzi Bour 1979:143

Holotype: MNHN 1978.24 (photographed in Bour 1981:140-41); syntypes (10), MNHN 682, 1945.1-2, 1978.21, 1978.25 (with 25A) 1978.26, 1978.2929, 1981-227, 1992, and 9581 (with 81A).