Genus-level revision of the Alycaeidae (Gastropoda, Cyclophoroidea), with an annotated species catalogue Author Pall-Gergely, Barna Plant Protection Institute, Centre for Agricultural Research, Herman Otto ut 15, Budapest, H- 1022, Hungary https://orcid.org/0000-0002-6167-7221 pallgergely2@gmail.com Author Sajan, Sheikh Zoological Survey of India, Prani Vigyan Bhawan, M Block, New Alipore, Kolkata 700053, West Bengal, India & Wildlife Institute of India, Chandrabani, Dehradun 248 002, Uttarakhand, India https://orcid.org/0000-0002-2785-6824 Author Tripathy, Basudev Zoological Survey of India, Prani Vigyan Bhawan, M Block, New Alipore, Kolkata 700053, West Bengal, India Author Meng, Kaibaryer National Zoological Museum of China, Institute of Zoology, Chinese Academy of Sciences, Beijing, China Author Asami, Takahiro Department of Biology, Shinshu University, Matsumoto 390 - 8621, Japan https://orcid.org/0000-0001-5706-0272 Author Ablett, Jonathan D. Mollusca Section, Invertebrates Division, Department of Life Sciences, The Natural History Museums, London SW 7 5 BD, United Kingdom text ZooKeys 2020 981 1 220 http://dx.doi.org/10.3897/zookeys.981.53583 journal article http://dx.doi.org/10.3897/zookeys.981.53583 1313-2970-981-1 5194AAC86B8A473F8A41470A60182A0B 7C44C797C4125A71BAE032A55E6FA5DC

Table 1. Radula traits of Alycaeidae. For the species examined by Venmans (1956) see Radula under "Description and assessment of morphological characters" (page 14).

Taxon	Morphology of central tooth	Reference
Alycaeus conformis	see remarks	Venmans 1956
Alycaeus eydouxi	see remarks	Venmans 1956
Alycaeus eydouxi	5 cusps, broad, central cusp blunt	this study
Alycaeus gibbosulus	5 cusps, broad, central cusp blunt	this study
Chamalycaeus everetti	5 cusps, broad, central cusp pointed	this study
Dicharax alticola	5 cusps, broad, central cusp pointed	Pall-Gergely et al. 2017
Dicharax ananensis	5 cusps, broad, central cusp pointed	Yano et al. 2013
Dicharax bicrenatus	5 cusps, broad, central cusp pointed	Godwin-Austen 1884 (1882-1920)
Dicharax cristatus	5 cusps, broad, central cusp pointed	Pall-Gergely et al. 2017
Dicharax depressus	5 cusps, broad, central cusp pointed	Pall-Gergely et al. 2017
Dicharax fimbriatus	5 cusps, broad, central cusp pointed	Pall-Gergely et al. 2017
Dicharax immaculatus	5 cusps, broad, central cusp pointed	Pall-Gergely et al. 2017
Dicharax itonis	5 cusps, broad, central cusp pointed	this study
Dicharax longituba	5 cusps, broad, central cusp pointed	Benthem-Jutting 1948
Dicharax okinawaensis	5 cusps, broad, central cusp pointed	this study
Dicharax planorbulus	5 cusps, broad, central cusp pointed	Heude 1882 - 1890
Pincerna maolanensis	7 cusps, broad, central cusp pointed	Luo et al. 2009
Dioryx messageri	7 cusps, broad, central cusp blunt	this study
Dioryx setchuanensis	5 cusps, broad, central cusp blunt	Heude 1882 - 1890
Metalycaeus minatoi	5 cusps, broad, central cusp pointed	Pall-Gergely & Asami, 2017
Metalycaeus vinctus	5 cusps, broad, central cusp pointed	Pall-Gergely & Asami, 2017
Metalycaeus zayuensis	5 cusps, broad, central cusp pointed	Zhang et al. 2008
Pincerna thieroti	see remarks	Venmans 1956
Pincerna yanseni	5 cusps, broad, central cusp pointed	Pall-Gergely 2017
Stomacosmethis balingensis	3 cusps, elongated, central cusp pointed	this study
Stomacosmethis hochstetteri (synonym of jagori)	3 cusps, elongated, central cusp pointed	Bollinger 1918
Stomacosmethis jagori	3 cusps, elongated, central cusp pointed	Thiele 1929
Stomacosmethis jagori	1 cusp, elongated, central cusp pointed	Sarasin & Sarasin, 1899
Stomacosmethis kapayanensis selangoriensis	see remarks	Venmans 1956
Stomacosmethis kuekenthali	1 cusp, elongated, central cusp pointed	Sarasin & Sarasin, 1899
Stomacosmethis perakensis	3 cusps elongated, central cusp pointed	this study
Stomacosmethis porcilliferus	3 cusps elongated, central cusp pointed	Bollinger 1918
Stomacosmethis sarasinorum	5 cusps, elongated, central cusp pointed	Bollinger 1918
Dicharax (?) panshiensis	6 cusps?, broad, central cusp pointed	Chen 1989