Neritidae . A–C Theodoxus pallasi Lindholm, 1924, RGM 1310191 D–F T. pallasi, LV 201510 G, H T. pallasi, RGM 1309843 I T. pallasi, RGM 1310192.

 
 
  Part of: Neubauer TA, van de Velde S, Yanina T, Wesselingh FP (2018) A late Pleistocene gastropod fauna from the northern Caspian Sea with implications for Pontocaspian gastropod taxonomy. ZooKeys 770: 43-103. https://doi.org/10.3897/zookeys.770.25365