Cochlostoma Jan, 1830 revised: an overview of the subgenus Turritus Westerlund, 1883 and its species (Caenogastropoda, Cochlostomatidae) Author Zallot, Enrico 365E17AD-6938-4364-A526-F1BDA2663E10 Per Ligont 1, 33070 Budoia, Italy. ezallot@gmail.com Author Kamchev, Panche 9FA2BE01-3355-4340-B57C-9E2841D5E4C2 Naturalis Biodiversity Center, Darwinweg 2, 2333 CR Leiden, the Netherlands. panekamchev@gmail.com Author Schilthuizen, Menno 683D0AB7-CDD8-4FAA-94B6-436F3BFB8873 Naturalis Biodiversity Center, Darwinweg 2, 2333 CR Leiden, the Netherlands. & Taxon Expeditions, Rembrandtstraat 20, 2311 VW Leiden, the Netherlands. menno.schilthuizen@naturalis.nl Author Fehér, Zoltán E801EC76-8B1E-450B-993E-BBBE57C00EA9 WWF Hungary, Álmos vezér útja 69 / A, 1141 Budapest, Hungary. feher.zoltan.nhmus@gmail.com Author Mattia, Willy De C74A049D-9D7B-4A1F-878B-5BDFD104219F Central Research Laboratories, Burgring 7, 1010, Vienna, Austria; Department of Evolutionary Biology, University of Vienna, Djerassiplatz 1, 1030, Vienna, Austria. wdemattia@gmail.com Author Gittenberger, Edmund D786C279-FC92-4D08-AF16-F79A9705E0AE Naturalis Biodiversity Center, P. O. Box 9517, 2300 RA Leiden, the Netherlands. egittenberger@yahoo.com text European Journal of Taxonomy 2024 2024-03-21 927 1 163 https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2475/11013 journal article 10.5852/ejt.2024.927.2475 2118-9773 10853688 B6E43365-FACA-49BA-8CCD-77E4BF8F0016 Cochlostoma ( T. ) mostarense ( Wagner, 1906 ) Figs 73D , 82 (white dots), 83–84 Pomatias ( Eupomatias ) mostarensis Wagner, 1906: 99–100 , pl. 3 fig. 2a–b. Syntypes BOSNIA AND HERZEGOVINA ; “ Pomatias mostarensis A. J. Wgn. , Wagner det. Hercegovina : Podvelez bei Mostar , leg. Sturany 21.IV.1903 ”; NHMW38262 2 ♂♂ ; “ Pomatias mostarensis , Wagner , Podvelez bei Mostar ”; MIZPASW 7059 . Other specimens BOSNIA AND HERZEGOVINA • 1- Podvelež (topotypical); 43.2976° N , 17.9306° E ; 2000; Erőss and Fehér leg.; HNHM79933 2- Mostar 1; 43.3435° N , 17.8887° E ; 2011; De Mattia leg.; EZ1092 3- Mostar 2; 43.3372° N , 17.8832° E ; 2011; De Mattia leg.; EZ1091 . Type locality “Podvelez bei Mostar und Abhänge des Hum bei Mostar” ( BOSNIA AND HERZEGOVINA • Podvelez near Mostar and slopes of mount Hum near Mostar). Description SHELL . Closely spaced riblets on last part of protoconch. Teleoconch spotless. Quite widely spaced, thin and whitish ribs on upper whorls, weakening and being more closely spaced on body whorl and toward aperture. Relatively weak lip with flat columellar lobe and visible umbilicus. Fig. 82. Distribution of samples in Clade B: red= Cochlostoma ( T. ) braueri ( Wagner, 1897 ) ;purple= C. ( T. ) stossichi ( Hirc, 1881 ) ; blue= C. ( T. ) hallgassi sp. nov. ; yellow = C. ( T. ) mariannae Nordsieck, 2011 ; green = C. ( T. ) dubium ( Wagner, 1897 ) ; white = C. ( T. ) mostarense ( Wagner, 1906 ) . Black center for the samples with amplified 16S. Fig. 83. Syntype of Cochlostoma ( T. ) mostarense ( Wagner, 1906 ) , ♀ (NHMW-38262). Fig. 84. Cochlostoma ( T. ) mostarense ( Wagner, 1906 ) . A . 1- Podvelez, BeH (HNHM-79933). B . 2- Mostar, BeH (EZ-1091). MEASUREMENTS . 5 ♀♀ : whorls =7.4–8.5, H = 6.2–8 mm , H/W=2.58–2.85, roundness= 0.1–0.17, ribs incl.= 51–58, apert. incl.= 24–26°, ribs/mm 1 st wh. =7–11, ribs/mm 4 th wh.=6–14. FEMALE GENITAL ORGANS . As in C. ( T. ) nanum . Remarks The shells and the female genital morphology of C. ( T. ) mostarense and C. ( T. ) elegans are very similar but the umbilicus is, although visible, narrower than in C. ( T. ) elegans .