geayi, Rivulus Vaillant [L. L.] 1899:156 [3] [Bulletin du Muséum d'Histoire Naturelle, Paris (sér. 1) v. 5 (no. 4); ref. 14710] Carsevenne River, French Guiana, elevation 450 meters. Lectotype: MNHN 1899-0101. Paralectotypes: BMNH 1899.7.26.6-10 [ex MNHN] (5); MNHN 1899-0100 (5), 1899-0101 (4), 1899-0103 (5 or 6). Type catalog: Bertin & Estève 1950:28 [ref. 19576]. Type information: Huber 1992 [ref. 20639]. On p. 3 of separate. Lectotype selected in Huber 1992:211 [ref. 20639]. •Valid as Rivulus geayi Vaillant 1899 -- (Huber 1991:70 [ref. 19721], Huber 1992:211 [ref. 20639], Huber 1999:50 [ref. 23834], Keith et al. 2000:40 [ref. 24547], Lazara 2001:275 [ref. 25711], Costa in Reis et al. 2003:536 [ref. 27061], Hrbek et al. 2004:569 [ref. 27910], Vermeulen & Hrbek 2005:7 [ref. 28142], Suijker & Collier 2006:10 [ref. 28729], Keith et al. 2006:137 [ref. 28851], Costa 2006:153 [ref. 28875] in subgenus Laimosemion). •Valid as Laimosemion geayi (Vaillant 1899) -- (Costa 2011:239 [ref. 31655], Vermeulen et al. 2012:188 [ref. 32253], Valdesalici & García Gil 2015:169 [ref. 34010], Brosse et al. 2019:134 [ref. 38320]). Current status: Valid as Laimosemion geayi (Vaillant 1899). Rivulidae: Rivulinae. Distribution: South America: Atlantic coastal river drainages and Amazon River basin (Brazil and French Guiana). Habitat: freshwater.