The neglected operculum: a revision of the opercular characters in river snails (Caenogastropoda: Viviparidae) Author Zhang, Le-Jia Author von Rintelen, Thomas text Journal of Molluscan Studies 2021 eyab 008 2021-04-16 87 2 1 14 https://doi.org/10.1093/mollus/eyab008 journal article 10.1093/mollus/eyab008 5e6046f6-40e3-40a9-afda-b0661636fb76 15098489

Table 1. Species of Viviparidae examined.

			No. of
Continued
			specimens
Species	Museum acc. no.	Locality	examined
Campeloma decisum (Say, 1817) (Figs 2B, 3B, 6B)	ZMB Moll. 250824	“Indiana” (Indiana, USA)	1
	ZMB Moll. 122715	“U.S. Amer.” (USA)	2
Lioplax subcarinata (Say, 1817) (Figs 2A, 3A, 6A)	ZMB Moll. 250815	“Indiana” (Indiana, USA)	6
Amuropaludina praerosa (Gerstfeldt, 1859)	ZMB Moll. 250816	“Amur Fluss” (Amur River)	2
(Figs 2H, 3H, 6H)
	ZMB Moll. 260002	Amur River	1
Callinina georgiana (Lea, 1834) (Figs 2C, D, 3C,	ZMB Moll. 250827	“Florida, Black Creek” (Black Creek, Florida, USA)	3
D, 6C, D)
	ZMB Moll. 250829	“Indiana” (Indiana, USA)	5
	ZMB Moll. 250825	“Florida” (Florida, USA)	3
Callinina intertexta (Say, 1829) (Figs 2E, 3E, 6E)	ZMB Moll. 250826	“Mississippi” (Mississippi, USA)	1
Rivularia auriculata (Martens, 1875)	ZMB Moll. 31048	“Siangkiang Fluss, Hunan” (Xiang River, Hunan,	2
(Figs 2G, 3G, 6G)	(paratypes)	China)
Tulotoma magnifica (Conrad, 1834)	ZMB Moll. 250817	“Alabama” (Alabama, USA)	3
(Figs 2F, 3F, 6F)
Viviparus viviparus (Linnaeus, 1758) (Figs 2I, 3I, 6I)	ZMB Moll. 63883	“Waukawysk” (Waukawysk, Belarus)	5
Viviparus contectus Millet, 1813 (Figs 2J, K, 3J,	ZMB Moll. 76634	–	3
K, 6J, K)
	ZMB Moll. 250830	“Griechenland” (Greece)	1
Angulyagra cf. polyzonata (Frauenfeld, 1862)	ZMB Moll. 250844	Nanning, Guangxi, China	2
(Figs 4T, 5T, 7T)
Anularya mansuyi (Dautzenberg & Fischer, 1905)	ZMB Moll. 193465	Qilu Lake, Yunnan, China	2
(Figs 4D, 5D, 7D)
	WJ	Xingyun Lake, Yunnan, China	1
	ZLJ	Xingyun Lake, Yunnan, China	1
Anularya bicostata (Tchang & Tsi, 1949)	WJ	Fuxian Lake, Yunnan, China	1
(Figs 4E, 5E, 7E)
	WXD	Fuxian Lake, Yunnan, China	1
	ZLJ	Fuxian Lake, Yunnan, China	1
Bellamya phthinotropis (Martens, 1892)	ZMB Moll. 122821	“Sirwa” (Sirua Island, Lake Victoria, southern	2
(Figs 4H, 5H, 7H)	(syntype; labelled	Tanzania)
“ Vivipara constricta var.
phthinotropis von
Martens, 1892”)
Bellamya trochlearis Martens, 1892 (Figs 4I, 5I, 7I)	ZMB Moll. 250839	“Ukerewe” (Ukerewe Island, Lake Victoria)	5
Celetaia persculpta (Sarasin & Sarasin, 1898)	ZMB Moll. 50760 (syntype)	“Poso See, C. Celebes” Lake Poso, Central	1
(Figs 4A, 5A, 7A)		Sulawesi, Indonesia
	ZMB Moll. 191078	South of Cape Panti, east shore of Lake Poso,	4
Central Sulawesi, Indonesia
Cipangopaludina chinensis (Gray, 1834)	ZMB Moll. 250832	“Ulsan, Korea” (Ulsan, Korea)	4
(Figs 2Q, 3Q, 6Q)
Cipangopaludina nagaensis n. comb. (Preston,	ZMB Moll. 62192 (syntype)	“Naga Hügel, Indien” (Naga Hills, India)	1
1914) (Figs 2O, 3O, 6O)
Cipangopaludina crassibuca (Sarasin & Sarasin,	ZMB Moll. 50779 (syntype)	“Poso See, C. Celebes” (Lake Poso, Central	1
1898) (Figs 2P, 3P, 6P)		Sulawesi, Indonesia)
Filopaludina martensi (Frauenfeld, 1864)	ZMB Moll. 250840	“Siam” (Thailand)	5
(Figs 4M, 5M, 7M)
			specimens
Species	Museum acc. no.	Locality	examined
Filopaludina bengalensis (Lamarck, 1822)	ZMB Moll. 250841	–	2
(Figs 4N, 5N, 7N)
Filopaludina gigantea (von dem Busch, 1843)	ZMB Moll. 250842	“Bengal”	1
(Figs 4O, 5O, 7O)
Filopaludina luzonica (Kobelt, 1909)	ZMB Moll. 6835	“Luzon” (Luzon Island, Philippines)	6
(Figs 4L, 5L, 7L)
Heterogen longispira (E. A. Smith, 1886)	ZMB Moll. 192022	Biwa Lake, Japan	1
(Figs 2S, 3S, 6S)
	ZMB Moll. 38491	“Japan”	5
Heterogen japonica (Martens, 1861)	ZMB Moll. 192092	“Japan”	1
(Figs 2T, 3T, 6T)
	ZMB Moll. 28126	–	3
	ZMB Moll. 6844	“Japan”	5
Idiopoma umbilicata (Lea, 1856) (Figs 4J, 5J, 7J)	ZMB Moll. 52112 (syntype;	“Phuc son, Annam” (Phúc SƠn, Nghệ An, Vietnam)	2
	labelled “ Vivipara
basicarinata Kobelt,
1908”)
Idiopoma dissimilis (Müller, 1774) (Figs 4K, 5K, 7K)	ZMB Moll. 49607	“Lashio” (Lashio, Myanmar)	2
Margarya melanioides (Dautzenberg & Fischer,	ZMB Moll. 193463	Dianchi Lake, Yunnan, China	2
1905) (Figs 2R, 3R, 6R)
	WJ	Guanyinshan, Dianchi Lake, Yunnan, China	1
	ZLJ	Jianhu Lake, Yunnan, China	1
Mekongia jullieni (Deshayes, 1876)	ZMB Moll. 250831	“Indochina”	1
(Figs 2L, 3L, 6L)
Neothauma tanganyicense E. A. Smith, 1880	ZMB Moll. 250837	–	1
(Figs 4G, 5G, 7G)
Notopala ampullaroides (Reeve, 1863)	ZMB Moll. 106691	Lake Kununurra at pump station, Kimberley	2
(Figs 4S, 5S, 7S)		region, Australia
Sinotaia angularis (Müller, 1774) (Figs 4C, 5C, 7C)	ZMB Moll. 250834	“Nord Fluss, Canton” (Guangzhou, Guangdong,	2
		China)
Taia naticoides (Kobelt, 1909) (Figs 4Q, 5Q, 7Q)	ZMB Moll. 49604	“Shan Staaten” (Shan State, Myanmar)	5
Taia shanensis (Kobelt, 1909) (Figs 4R, 5R, 7R)	ZMB Moll. 49604	“Shan Staaten” (Shan State, Myanmar)	1
Tchangmargarya yangtsunghaiensis (Tchang & Tsi,	WJ	Yangzonghai Lake, Yunnan, China	1
1949) (Figs 2N, 3N, 6M)
	WXD	Yangzonghai Lake, Yunnan, China	1
	ZLJ	Yangzonghai Lake, Yunnan, China	1
Tchangmargarya multilabiata (Zhang & Chen,	WJ	Changhu Lake, Yunnan, China	1
2015) (Figs 2M, 3M, 6N)
	WXD	Changhu Lake, Yunnan, China	1
	ZLJ	Changhu Lake, Yunnan, China	1
Torotaia mainitensis (Bartsch, 1907)	ZMB Moll. 230165	West shore of Lake Mainit, Agusan del Norte,	3
(Figs 4F, 5F, 7F)		Mindanao, Philippines
Trochotaia trochoides (Martens, 1860)	ZMB Moll. 250843	“Siam” (Thailand)	2
(Figs 4P, 5P, 7P)
Ussuripaludina ussuriensis (Gerstfeldt, 1859)	ZMB Moll. 250835	“Ussuri” (Ussuri River)	3
(Figs 4B, 5B, 7B)