[ref. ID; 1923]
Lorica composed of 3 separate plates separated by sulci; 1 ventral plate and 2 dorsal plates. Rare species. Sphagnum bogs. (ref. ID; 1923)

• Diplois daviesiae Gosse, 1886 (ref. ID; 1345, 1923, 3688)
  Syn; Diplois phlegraea Iroso, 1910 (ref. ID; 3688)
• Diplois phlegraea Iroso, 1910
  See; Diplois daviesiae (ref. ID; 3688)
• Diplois skulpturata Daday, 1897 (ref. ID; 1345)