The types specimens of the “non-scaly” Georissa of Borneo from NHMUK. A Georissa borneensis Smith, 1895 B Georissa everetti Smith, 1895 C Georissa williamsi Godwin-Austen, 1889 D Georissa hungerfordi Godwin-Austen, 1889 E Georissa gomantonensis Smith, 1893 F Georissa similis Smith, 1893 G Georissa xesta Thompson & Dance, 1983 H Georissa bangueyensis Smith, 1895 I Georissa flavescens Smith, 1895. Scale bar: 1 mm. Photos by NHMUK.

 
 
  Part of: Khalik MZ, Hendriks KP, Vermeulen JJ, Schilthuizen M (2019) Conchological and molecular analysis of the “non-scaly” Bornean Georissa with descriptions of three new species (Gastropoda, Neritimorpha, Hydrocenidae). ZooKeys 840: 35-86. https://doi.org/10.3897/zookeys.840.33326