trispiralis, Hydrorissoia Brandt, 1968

Hydrorissoia trispiralis Brandt, 1968: 243–244 (pl. 9, fig. 31 + text fig. 22).

Gastropoda, Pomatiopsidae

Topotype: MZSP 95936.

Locality: East Thailand, Ubon Province, Mekong River at Bandan (type locality), 22 Mar. 1967.

Preservation: Dry.

Remarks: Former Jens Hemmen Collection. Data on the specimen’s label correspond to the lot originally catalogued as SMRL 3471. The specimen listed above is a possible remainder of a 30-specimen paratype lot left under the care of the SMRL.