Hypselostoma procerum (F. G. Thompson & Dance, 1983) comb. nov.

Figs 224 G, 233, 239

Boysidia (Dasypupa) procera Thompson & Dance, 1983: 108–109, figs 11, 12.

Type material examined.

Malaysia • holotype; UF 38022 • 3 paratypes; from the type locality; UF 38023 .

Type locality.

“ Southwest flank of Gunong Budah, Medalam Valley, a tributary of the Limbang river, Fifth Division, Sarawak, Borneo 04°08'N, 115°5'E ”.

Differential diagnosis.

This species is most similar to H. paini which is also described from Borneo. However, this species is more elongated and has a wider umbilicus. See also under H. tertiusfrater nom. nov.

Distribution.

This species is known only from the type locality.