euryzonus, Fundulus Suttkus [R. D.] & Cashner [R. C.] 1981:2, Figs. 1a, 2a, 3a [Alabama Museum of Natural History Bulletin No. 6; ref. 8272] East Fork Big Creek, tributary of Tangipahoa River, 11.2 kilometers east of Arcola, Tangipahoa Parish, Louisiana, U.S.A. Holotype: TU 116631. Paratypes: ANSP 144091 (10); INHS 87086 (10); KU 18414 (10); MCZ 56589 [ex TU 116597] (10); TU 83182 (40), 106576 (22), 106601 (58), 116357 (21), 116504 (22), 116632 (44); UAIC 5969.01 (10); UF 29999 (10); UMMZ 205436 (10); UNO 2953 (10); USNM 221477 [ex TU 83182] (10). Additional material: TU (41 lots, 430); UNO (31 lots, 262). Type catalog: Böhlke 1984:96 [ref. 13621], Bart & Taylor 1993:52-53 [ref. 20906], Sabaj et al. 1997:274 [ref. 23225]. •Valid as Fundulus euryzonus Suttkus & Cashner 1981 -- (Page & Burr 1991:224 [ref. 18983], Knight & Hastings 1994:150 [ref. 25560], Wildekamp 1996:252 [ref. 23649], Lazara 2001:146 [ref. 25711], Ross et al. 2001:358 [ref. 25978], Nelson et al. 2004:102 [ref. 27807], Scharpf 2007:13 [ref. 30398], Page & Burr 2011:437 [ref. 31215], Ghedotti & Davis 2013:58 [ref. 32490] in subgenus Zygonectes, Page et al. 2013:105 [ref. 32708], Page et al. 2023:140 [ref. 40505]). Current status: Valid as Fundulus euryzonus Suttkus & Cashner 1981. Fundulidae. Distribution: Eastern North America: Lake Pontchartrain drainage, Mississippi and Louisiana (southeastern U.S.A.). Habitat: freshwater.