Taxonomic assessment of genetically-delineated species of radicine snails (Mollusca, Gastropoda, Lymnaeidae) Author Vinarski, Maxim V. Laboratory of Macroecology and Biogeography of Invertebrates, Saint-Petersburg State University, 7 / 9 Universitetskaya Emb., 199034, Saint-Petersburg, Russia & Omsk State University, 28 Adrianova Str., 644077, Omsk, Russia https://orcid.org/0000-0002-7644-4164 radix.vinarski@gmail.com Author Aksenova, Olga V. Laboratory of Macroecology and Biogeography of Invertebrates, Saint-Petersburg State University, 7 / 9 Universitetskaya Emb., 199034, Saint-Petersburg, Russia & N. Laverov Federal Center for Integrated Arctic Research, Ural Branch of the Russian Academy of Sciences, 23 Severnaya Dvina Emb., 163000, Arkhangelsk, Russia https://orcid.org/0000-0002-0817-7105 Author Bolotov, Ivan N. N. Laverov Federal Center for Integrated Arctic Research, Ural Branch of the Russian Academy of Sciences, 23 Severnaya Dvina Emb., 163000, Arkhangelsk, Russia & Northern (Arctic) Federal University, 17 Severnaya Dvina Emb., 163002, Arkhangelsk, Russia https://orcid.org/0000-0002-3878-4192 text Zoosystematics and Evolution 2020 96 2 577 608 http://dx.doi.org/10.3897/zse.96.52860 journal article http://dx.doi.org/10.3897/zse.96.52860 1860-0743-2-577 D4882E78D81B5FA394A6A156886835E4

Table 2. Morphological characterisation of shells and copulative apparatuses of several species in the genera Ampullaceana and Peregriana.

Character / index	Species / locality
	A. ampla	A. balthica	A. dipkunensis	A. fontinalis		A. intermedia	A. lagotis		P. dolgini	P. peregra
	Russia, Omsk Region, floodplain of the Irtysh River	Russia, Altay Region, Burla River	Russia, Tyumen' Region, floodplain of the Tobol River	Russia, Rostov Region, Severskiy Donets River*	Russia, Rostov Region, Veselovskoe reservoir*	Kazakhstan, Bolshoye Chebachye Lake	Russia, Leningrad Region, Lava River near Troitskoye	Tajikistan, a stream in the floodplain of the Panj River*	Russia, Tyumen' Region, Taz River basin*	Germany, a pond near Hammergut Town
*Sample studied genetically.
Repository	LMBI	LMBI	LMBI	LMBI	LMBI	LMBI	ZISP	LMBI	LMBI	LMBI
Number of specimens measured (dissected)	60(0)	28(25)	32(30)	33(17)	15(12)	30(0)	13(0)	14(12)	16(11)	11(0)
Whorls number	3.50-4.25	3.62-4.75	4.00-4.75	3.50-4.25	3.75-4.50	4.00-4.50	4.00-4.50	4.00-4.50	3.75-4.00	3.75-4.12
	3.79 +/- 0.19	4.22 +/- 0.26	4.37 +/- 0.16	3.83 +/- 0.18	4.04 +/- 0.19	4.21 +/- 0.17	4.32 +/- 0.17	4.18 +/- 0.17	3.81 +/- 0.10	3.94 +/- 0.12
Shell height, mm (SH)	16.1-26.7	14.7-22.6	17.5-27.6	11.3-15.4	11.8-16.8	13.3-19.4	12.5-16.4	10.4-15.1	9.2-11.7	7.8-11.4
	18.7 +/- 1.9	18.3 +/- 2.3	20.8 +/- 2.3	12.8 +/- 1.0	13.7 +/- 1.3	15.5 +/- 1.7	14.7 +/- 1.3	12.2 +/- 1.1	10.2 +/- 0.8	9.7 +/- 1.0
Shell width, mm (SW)	13.7-22.8	10.4-16.4	12.5-19.0	7.2-9.9	7.8-11.9	8.0-12.6	7.5-10.8	6.8-10.2	5.6-7.6	5.0-6.7
	15.8 +/- 1.7	13.5 +/- 1.7	15.3 +/- 1.5	8.4 +/- 0.7	9.6 +/- 1.0	9.9 +/- 1.2	9.0 +/- 1.0	7.8 +/- 0.9	6.4 +/- 0.6	6.0 +/- 0.5
Spire height, mm (SpH)	1.9-5.3	2.8-5.3	2.6-4.5	3.2-5.1	3.4-5.3	4.5-7.1	4.7-6.6	3.5-5.0	2.7-4.2	2.3-4.1
	3.0 +/- 0.6	4.2 +/- 0.6	3.6 +/- 0.5	4.0 +/- 0.5	3.9 +/- 0.6	5.5 +/- 0.7	5.8 +/- 0.7	4.4 +/- 0.4	3.4 +/- 0.4	3.3 +/- 0.5
Body whorl height, mm (BWH)	14.8-25.0	13.7-19.1	15.7-24.5	9.6-12.9	10.3-14.4	11.1-16.2	10.1-15.5	8.8-12.3	7.6-10.1	6.7-9.5
	17.3 +/- 1.8	16.2 +/- 1.7	18.6 +/- 2.0	11.1 +/- 0.8	11.9 +/- 1.0	13.2 +/- 1.4	12.3 +/- 1.6	10.1 +/- 0.9	8.6 +/- 0.8	8.2 +/- 0.9
Aperture height, mm (AH)	13.8-23.1	10.6-16.3	13.1-23.4	7.1-10.7	8.1-11.6	8.0-13.0	7.8-11.1	7.1-10.4	5.4-9.0	5.4-7.8
	16.2 +/- 1.8	13.9 +/- 1.7	17.0 +/- 2.2	9.0 +/- 0.7	10.1 +/- 0.9	10.0 +/- 1.2	9.3 +/- 1.0	8.1 +/- 0.9	6.7 +/- 0.9	6.5 +/- 0.7
Aperture width, mm (AW)	10.3-1 9.0	8.1-12.5	10.3-16.3	4.8-7.1	5.5-8.7	5.8-10.4	5.4-7.7	4.1-7.4	3.9-6.0	3.2-4.6
	12.7 +/- 1.6	10.2 +/- 1.4	12.3 +/- 1.3	5.9 +/- 0.5	6.9 +/- 0.8	7.3 +/- 0.9	6.3 +/- 0.8	5.4 +/- 0.8	4.9 +/- 0.5	4.0 +/- 0.5
Praeputium length, mm (PP)	-	5.2-16.0	5.5-13.0	3.1-5.7	5.5-9.6	-	-	2.3-4.0	2.3-3.15	-
		10.3 +/- 2.3	9.8 +/- 1.3	4.3 +/- 0.7	6.9 +/- 1.1			3.2 +/- 0.5	2.8 +/- 0.3
Penis sheath length, mm (PS)	-	4.4-10.5	2.7-6.7	3.3-5.5	4.4-9.2	-	-	1.6-2.6	2.0-3.6	-
		6.0 +/- 1.6	5.0 +/- 0.7	4.0 +/- 0.6	5.9 +/- 1.2			2.1 +/- 0.3	2.7 +/- 0.4
SW/SH	0.77-0.94	0.66-0.84	0.68-0.81	0.59-0.72	0.65-0.74	0.59-0.69	0.52-0.67	0.59-0.68	0.58-0.69	0.59-0.65
	0.84 +/- 0.04	0.74 +/- 0.04	0.74 +/- 0.03	0.66 +/- 0.03	0.70 +/- 0.03	0.64 +/- 0.03	0.60 +/- 0.04	0.64 +/- 0.03	0.63 +/- 0.03	0.62 +/- 0.02
SpH/SH	0.11-0.21	0.17-0.30	0.14-0.20	0.26-0.38	0.23-0.34	0.31-0.41	0.31-0.42	0.33-0.41	0.23-0.42	0.30-0.38
	0.16 +/- 0.02	0.23 +/- 0.03	0.17 +/- 0.02	0.31 +/- 0.03	0.29 +/- 0.03	0.36 +/- 0.03	0.39 +/- 0.03	0.36 +/- 0.02	0.33 +/- 0.05	0.34 +/- 0.03
BWH/SH	0.89-0.97	0.79-0.98	0.84-0.95	0.83-0.89	0.85-0.91	0.82-0.88	0.66-0.83	0.79-0.85	0.74-0.89	0.82-0.86
	0.93 +/- 0.01	0.89 +/- 0.04	0.90 +/- 0.02	0.87 +/- 0.02	0.87 +/- 0.02	0.85 +/- 0.02	0.80 +/- 0.04	0.82 +/- 0.01	0.84 +/- 0.03	0.85 +/- 0.01
AH/SH	0.77-0.96	0.68-0.86	0.66-0.89	0.64-0.75	0.68-0.78	0.58-0.64	0.51-0.69	0.62-0.69	0.58-0.76	0.63-0.71
	0.87 +/- 0.04	0.76 +/- 0.04	0.83 +/- 0.05	0.70 +/- 0.03	0.74 +/- 0.03	0.65 +/- 0.03	0.63 +/- 0.04	0.66 +/- 0.02	0.66 +/- 0.05	0.67 +/- 0.03
AW/AH	0.66-0.89	0.65-0.84	0.61-0.86	0.59-0.73	0.63-0.75	0.66-0.80	0.61-0.73	0.58-0.74	0.67-0.85	0.51-0.71
	0.79 +/- 0.04	0.73 +/- 0.05	0.72 +/- 0.05	0.65 +/- 0.03	0.68 +/- 0.03	0.73 +/- 0.04	0.68 +/- 0.03	0.66 +/- 0.04	0.73 +/- 0.06	0.61 +/- 0.06
ICA	-	1.18-2.55	1.62-2.38	0.88-1.20	1.04-1.47	-	-	1.29-1.77	0.87-1.19	-
		1.77 +/- 0.36	1.96 +/- 0.20	1.08 +/- 0.10	1.20 +/- 0.15			1.51 +/- 0.13	1.03 +/- 0.12