Buliminus (Mastus) hispalensis Westerlund, 1892 (original description)
Cionella (Caecilianella) gattoi Westerlund, 1892 accepted as Cecilioides acicula (O. F. Müller, 1774) (original description)
Cionella (Caecilianella) melitensis Westerlund, 1892 accepted as Cecilioides acicula (O. F. Müller, 1774) (original description)
Cionella (Caecilianella) pollonerae Westerlund, 1892 accepted as Cecilioides acicula (O. F. Müller, 1774) (original description)
Cionella (Ferussacia) virginea Westerlund, 1892 (original description)
Clausilia (Delima) itala G. von Martens, 1824 accepted as Charpentieria itala (G. von Martens, 1824) (basis of record)
Clausilia (Delima) itala var. phaeca Westerlund, 1892 (original description)
Helix (Macularia) leucochila Westerlund, 1878 (original description)
Helix (Xerophila) adina Westerlund, 1892 (original description)
Helix (Xerophila) embryonata Westerlund, 1892 (original description)
Helix (Xerophila) horridula Westerlund, 1892 accepted as Xerotricha apicina (Lamarck, 1822) (original description)
Helix (Xerophila) mutua Westerlund, 1892 (original description)
Helix (Xerophila) pumila Westerlund, 1892 accepted as Xerotricha vatonniana (Bourguignat, 1867) (original description)
Melanopsis costata var. harpa Westerlund, 1892 (original description)
Neritina (Theodoxus) mixta Westerlund, 1892 (original description)
Physa (Bulinus) O. F. Müller, 1781 accepted as Bulinus O. F. Müller, 1781 (basis of record)
Physa (Bulinus) clathrata Westerlund, 1892 (original description)
Pomatias (Auritus) eircticus Westerlund, 1892 accepted as Cochlostoma (Personatus) eircticum (Westerlund, 1892) (original description)
Pomatias (Auritus) euboicus Westerlund, 1885 accepted as Cochlostoma euboicum (Westerlund, 1885) (basis of record)
Pomatias (Auritus) euboicus var. certus Westerlund, 1892 accepted as Cochlostoma euboicum (Westerlund, 1885) (original description)
Pupa (Pupilla) honesta Westerlund, 1892 (original description)
Pupa (Torquilla) frumentum Draparnaud, 1801 accepted as Granaria frumentum (Draparnaud, 1801) (basis of record)
Pupa (Torquilla) frumentum var. cylindracea Rossmässler, 1837 accepted as Granaria frumentum illyrica (Rossmässler, 1835) (basis of record)
Pupa (Torquilla) frumentum var. cylindracea f. primula Westerlund, 1892 (original description)
Pupa (Torquilla) homala Westerlund, 1892 accepted as Rupestrella homala (Westerlund, 1892) (original description)
Pupa (Torquilla) refuga Westerlund, 1892 (original description)
Pupa (Torquilla) retracta Westerlund, 1892 accepted as Granopupa granum (Draparnaud, 1801) (original description)
Unio calderoni var. salvadori Westerlund, 1892 accepted as Potomida littoralis (Cuvier, 1798) (original description)
Unio hispanus var. sphenoides Westerlund, 1892 accepted as Unio delphinus Spengler, 1793 (original description)