A late Pleistocene gastropod fauna from the northern Caspian Sea with implications for Pontocaspian gastropod taxonomy


	Sketch of the measurements made on the protoconch. The method for counting whorls follows Verduin (1977).

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