ectenes, Etropus Jordan [D. S.] in Jordan & Goss 1889:277 [United States Commission of Fish and Fisheries, Report of the Commissioner v. 14 (for 1886) (art. 2); ref. 2482] Callao, Peru. Syntypes: MCZ 11605 (2), USNM 120408 [ex MCZ 11145] (1). •Valid as Etropus ectenes Jordan 1889 -- (Hensley in Fischer et al. 1995:1367 [ref. 22830], Chirichigno F. & Vélez D. 1998:211 [ref. 24555], Castro-Aguirre et al. 1999:479 [ref. 24550], van der Heiden & Plascencia González 2005:470 [ref. 28311], Barriga Salazar 2014:119 [ref. 35745], Jiménez-Prado et al. 2015:391 [ref. 34894], Siccha-Ramirez et al. 2023:239 [ref. 40816]). Current status: Valid as Etropus ectenes Jordan 1889. Cyclopsettidae. Distribution: Eastern Pacific: Peru. Habitat: brackish, marine.