Species that contain: Echidna and delicatula [ 3 ] records

delicatulus, Poecilophis Kaup [J. J.] 1856:67 [Archiv für Naturgeschichte v. 22 (pt. 1); ref. 2572] Molucca, Islands. Holotype (unique): RMNH 7212. Type catalog: Böhlke & Smith 2002:105 [ref. 26380] •Valid as Echidna delicatula (Kaup 1856) -- (Hatooka in Masuda et al. 1984:25 [ref. 6441], Böhlke et al. 1989:130 [ref. 13286], Myers 1999:44 [ref. 23965], Böhlke et al. 1999:1656 [ref. 24692], Böhlke & McCosker in Randall & Lim 2000:584 [ref. 25122], Böhlke & Smith 2002:105 [ref. 26380], Allen & Adrim 2003:22 [ref. 26830], Manilo & Bogorodsky 2003:S94 [ref. 27377], Randall et al. 2004:6 [ref. 27624], Chen et al. 2008:134 [ref. 29929], Zhang et al. 2010:246 [ref. 31511], Fricke et al. 2011:349 [ref. 31242], Allen & Erdmann 2012:77 [ref. 31980], Smith 2012:5 [ref. 32155], Moore et al. 2020:109 [ref. 37357] as delicatulus, Allen & Erdmann 2024:85 [ref. 40796]). Current status: Valid as Echidna delicatula (Kaup 1856). Muraenidae: Muraeninae. Distribution: Eastern Indian Ocean, western Pacific: Sri Lanka east to Fiji and Samoa, north to Ryukyu Islands (Japan). Habitat: marine.

efatensis, Gymnothorax Herre [A. W. C. T.] 1935:384 [Field Museum of Natural History, Publications, Zoölogical Series v. 18 (no. 12); ref. 2109] Vila, Efaté Island, Vanuatu (from stomach of sea snake). Holotype (unique): FMNH 17193. Type catalog: Ibarra & Stewart 1987:42 [ref. 12367], Böhlke & Smith 2002:107 [ref. 26380] •Synonym of Echidna delicatula (Kaup 1856) -- (Böhlke & Smith 2002:107 [ref. 26380], Smith 2012:5 [ref. 32155]). Current status: Synonym of Echidna delicatula (Kaup 1856). Muraenidae: Muraeninae. Habitat: marine.

trossula, Echidna Jordan [D. S.] & Starks [E. C.] in Jordan & Seale 1906:203, Fig. 8 [Bulletin of the Bureau of Fisheries v. 25 (for 1905); ref. 2497] Apia, Upolu Island, Western Samoa. Holotype: USNM 51714. Paratypes: CAS-SU 8728 (11); USNM 126605 [ex USBF 1260] (6), 320270 (2). Type catalog: Böhlke 1953:46-47 [ref. 12291], Smith 1994:16 [ref. 21917]. •Synonym of Echidna delicatula (Kaup 1856) -- (Smith & Böhlke 2006:37 [ref. 28678], Smith 2012:5 [ref. 32155]). Current status: Synonym of Echidna delicatula (Kaup 1856). Muraenidae: Muraeninae. Habitat: marine.