Calyculina lacustris var. septentrionalis Clessin, 1876 accepted as Musculium lacustre (O. F. Müller, 1774) accepted as Sphaerium lacustre (O. F. Müller, 1774) (original description)
Helix (Eulota) nordenskioldi Westerlund, 1877 accepted as Lindholmomneme nordenskioldi (Westerlund, 1877) (original description)
Helix (Trichia) stuxbergi Westerlund, 1876 accepted as Stygius stuxbergi (Westerlund, 1876) (original description)
Limax hyperboreus Westerlund, 1876 accepted as Deroceras laeve (O. F. Müller, 1774) (original description)
Physa hypnorum var. polaris Westerlund, 1876 accepted as Sibirenauta elongata (Say, 1821) (original description)
Physa sibirica Westerlund, 1876 accepted as Sibirenauta sibirica (Westerlund, 1876) (original description)
Pisidium boreale Clessin, 1876 accepted as Euglesa globularis (Clessin, 1873) (original description)
Pisidium mucronatum Clessin, 1876 accepted as Euglesa subtruncata (Malm, 1855) (original description)
Pisidium nordenskioldi Clessin, 1876 accepted as Euglesa nordenskioldi (Clessin, 1876) (original description)
Pisidium sibiricum Clessin, 1876 accepted as Euglesa lilljeborgii (Clessin, 1886) (original description)
Planorbis infraliratus Westerlund, 1876 accepted as Gyraulus infraliratus (Westerlund, 1877) (original description)
Pupa arctica var. extima Westerlund, 1876 accepted as Vertigo extima (Westerlund, 1876) (original description)
Pupa muscorum var. lundstroemi Westerlund, 1876 accepted as Pupilla muscorum (Linnaeus, 1758) (original description)
Sphaerium levinodis Westerlund, 1876 accepted as Sphaerium corneum (Linnaeus, 1758) (original description)
Sphaerium nitidum Clessin, 1876 (original description)
Succinea turgida Westerlund, 1876 (original description)
Valvata aliena Westerlund, 1876 (original description)

Siberia for Calyculina lacustris var. septentrionalis Clessin, 1876 
Siberia for Helix (Eulota) nordenskioldi Westerlund, 1877 
Siberia for Helix (Trichia) stuxbergi Westerlund, 1876 
Siberia for Physa hypnorum var. polaris Westerlund, 1876 
Siberia for Physa sibirica Westerlund, 1876 
Siberia for Pisidium boreale Clessin, 1876 
Siberia for Pisidium mucronatum Clessin, 1876 
Siberia for Pisidium nordenskioldi Clessin, 1876 
Siberia for Pisidium sibiricum Clessin, 1876 
Siberia for Planorbis infraliratus Westerlund, 1876 
Siberia for Pupa arctica var. extima Westerlund, 1876 
Siberia for Pupa muscorum var. lundstroemi Westerlund, 1876 
Siberia for Sphaerium levinodis Westerlund, 1876 
Siberia for Sphaerium nitidum Clessin, 1876 
Siberia for Succinea turgida Westerlund, 1876