Amnicola borneensis Issel, 1874 accepted as Indopyrgus borneensis (Issel, 1874) (original description)
Amnicola moussoni Issel, 1874 accepted as Indopyrgus moussoni (Issel, 1874) (original description)
Auricula polita var. elata Issel, 1874 accepted as Ellobium aurisjudae (Linnaeus, 1758) (original description)
Canefria Issel, 1874 (original description)
Canefria splendens Issel, 1874 (original description)
Corbicula dayakorum Issel, 1874 accepted as Corbicula pullata (R. A. Philippi, 1850) (original description)
Corbicula dayakorum var. inaequilatera Issel, 1874 accepted as Corbicula pullata (R. A. Philippi, 1850) (original description)
Corbicula dayakorum var. oliveacea Issel, 1874 accepted as Corbicula pullata (R. A. Philippi, 1850) (original description)
Cryptosoma (Damayantia) Issel, 1874 accepted as Damayantia Issel, 1874 (original description)
Cyclophorus metcalfei Issel, 1874 accepted as Japonia metcalfei (Issel, 1874) (original description)
Damayantia Issel, 1874 (original description)
Damayantia dilecta Issel, 1874 (original description)
Helicarion borneensis (L. Pfeiffer, 1857) (new combination reference)
Helicina martensi Issel, 1874 accepted as Sulfurina martensi (Issel, 1874) (original description)
Helix pulvisculum Issel, 1874 accepted as Pupisoma pulvisculum (Issel, 1874) (original description)
Hyalina lowi Issel, 1874 (original description)
Hyalina perlucida Issel, 1874 (original description)
Leptopoma bourguignati Issel, 1874 (original description)
Megalomastoma doriae Issel, 1874 accepted as Coptocheilus doriae (Issel, 1874) (original description)
Melania tuberculata var. malayana Issel, 1874 accepted as Melanoides tuberculata (O. F. Müller, 1774) (basis of record)
Nanina macdougalli Issel, 1874 (original description)
Nanina tersa Issel, 1874 accepted as Tanychlamys tersa (Issel, 1874) (original description)
Neritina adamsi Issel, 1874 accepted as Neritodryas dubia (Gmelin, 1791) (original description)
Neritina inconspicua var. spinosa Issel, 1874 accepted as Neritina inconspicua von dem Busch, 1849 (original description)
Omphalotropis paladilhi Issel, 1874 (original description)
Paludomus broti Issel, 1874 (original description)
Paludomus crassa (von dem Busch, 1842) (basis of record)
Paludomus moreleti Issel, 1874 accepted as Paludomus luteus H. Adams, 1874 accepted as Paludomus lutea H. Adams, 1874 (original description)
Parmarion beccarii Issel, 1874 (original description)
Parmarion doriae Issel, 1874 (original description)
Paxillus beccarii Issel, 1874 accepted as Diplommatina beccarii (Issel, 1874) (original description)
Rhaphaulus pfeifferi Issel, 1874 (original description)
Trochomorpha angulata Issel, 1874 (original description)
Trochomorpha planorbis var. nummus Issel, 1874 accepted as Trochomorpha froggatti (Iredale, 1941) (original description)
Unio borneeensis Issel, 1874 accepted as Ctenodesma borneensis (Issel, 1874) (original description)
Vaginula wallacei Issel, 1874 accepted as Semperula wallacei (Issel, 1874) (original description)
Vertigo malayanus Issel, 1874 accepted as Insulipupa malayana (Issel, 1874) (original description)
Vivipara hamiltoni var. persolida Issel, 1874 accepted as Paludina hamiltoni Metcalfe, 1852 (original description)

Borneo for Helicina martensi Issel, 1874 
Borneo for Omphalotropis paladilhi Issel, 1874 
Borneo for Unio borneeensis Issel, 1874 
Borneo for Vertigo malayanus Issel, 1874 
Sarawak for Amnicola borneensis Issel, 1874 
Sarawak for Amnicola moussoni Issel, 1874 
Sarawak for Auricula polita var. elata Issel, 1874 
Sarawak for Corbicula dayakorum Issel, 1874 
Sarawak for Cyclophorus metcalfei Issel, 1874 
Sarawak for Damayantia dilecta Issel, 1874 
Sarawak for Hyalina lowi Issel, 1874 
Sarawak for Hyalina perlucida Issel, 1874 
Sarawak for Melania tuberculata var. malayana Issel, 1874 
Sarawak for Nanina macdougalli Issel, 1874 
Sarawak for Neritina adamsi Issel, 1874 
Sarawak for Paludomus broti Issel, 1874 
Sarawak for Paludomus moreleti Issel, 1874 
Sarawak for Parmarion beccarii Issel, 1874 
Sarawak for Parmarion doriae Issel, 1874 
Sarawak for Paxillus beccarii Issel, 1874 
Sarawak for Trochomorpha angulata Issel, 1874 
Sarawak for Trochomorpha planorbis var. nummus Issel, 1874