Theodoxus pallidus (Dunker, 1861). A–D. Specimen from Haji Abad, Fars, Iran (UGSB 22227); E–H. Syntype of N. pallida from southern Iran (ZMB 108.792); I, J; K, L. Two syntypes of N. pallida from southern Iran (ZMB 108.793); M–P. Specimen (T. doriae-morphotype) from a spring near Harat, Yazd, Iran (UGSB 21706); Q, R; S, T; U, V; W–Y. Four syntypes of N. doriae from the thermal springs of Kerman, Iran (MSNG, without coll. no.). Specimens A–D and M–P were used in the phylogeny. Scale bars: 1 mm.

 
 
  Part of: Sands AF, Glöer P, Gürlek ME, Albrecht C, Neubauer TA (2020) A revision of the extant species of Theodoxus (Gastropoda, Neritidae) in Asia, with the description of three new species. Zoosystematics and Evolution 96(1): 25-66. https://doi.org/10.3897/zse.96.48312