Otala lactea (NMBE 545594); Etsedda/Kebdana, Morocco; A shell B situs C penis; D = 40.81 mm, H = 21.75 mm, situs length 61.47 mm (atrium-BCD), BC destroyed; D H. lucasii (syntype MNHN IM-2000-31721), Oran, Algeria, D = 35.4 mm. All photographs by Kneub├╝hler & Neubert, shell original size.

 
 
  Part of: Kneub├╝hler J, Hutterer R, Pfarrer B, Neubert E (2019) Anatomical and phylogenetic investigation of the genera Alabastrina Kobelt, 1904, Siretia Pallary, 1926, and Otala Schumacher, 1817 (Stylommatophora, Helicidae). ZooKeys 843: 1-37. https://doi.org/10.3897/zookeys.843.32867