Species that contain: Myrichthys and xysturus [ 4 ] records

peninsulae, Callechelys Gilbert [C. H.] 1892:548 [Proceedings of the United States National Museum v. 14 (no. 880); ref. 1626] La Paz Bay, Baja California, Mexico, Gulf of California. Holotype (unique): USNM 44297. Type catalog: Smith 1994:29 [ref. 21917]. •Valid as Myrichthys peninsulae (Gilbert 1892) -- (De La Cruz Agüero et al. 1997:242 [ref. 24545]). •Synonym of Myrichthys tigrinus Girard 1859 -- (McCosker & Rosenblatt 1993:165 [ref. 21180]). •Synonym of Myrichthys xysturus (Jordan & Gilbert 1882) -- (McCosker 1998:196 [ref. 23298]). Current status: Synonym of Myrichthys xysturus (Jordan & Gilbert 1882). Ophichthidae: Ophichthinae. Habitat: marine.

quincunciatus, Ophichthys Günther [A.] 1870:83 [Catalogue of the fishes in the British Museum v. 8; ref. 1995] No locality. Holotype (unique): BMNH 1864.12.12.32. •Synonym of Myrichthys tigrinus Girard 1859 -- (McCosker & Rosenblatt 1993:165 [ref. 21180]). •Synonym of Myrichthys xysturus (Jordan & Gilbert 1882). Current status: Synonym of Myrichthys xysturus (Jordan & Gilbert 1882). Ophichthidae: Ophichthinae. Habitat: marine.

tigrinus, Myrichthys Girard [C. F.] 1859:58 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 11; ref. 1821] Adair Bay, Sonora, Mexico [not Oregon]. Holotype: USNM 1150 [= USNM 8810]. Type catalog: Smith 1994:33 [ref. 21917]. Subjectively invalid; secondarily preoccupied in Myrichthys by Muraena tigrina Rüppell 1830. •Treated as valid as Uropterygius tigrinus by Allen & Robertson 1994:303 [ref. 22193] [but it is not this species or family]. •Valid as Myrichthys tigrinus Girard 1859 -- (McCosker & Rosenblatt 1993:165 [ref. 21180], McCosker & Rosenblatt in Fischer et al. 1995:1337 [ref. 22830], Grove & Lavenberg 1997:170 [ref. 24023], Chirichigno F. & Vélez D. 1998:118 [ref. 24555], Thomson et al. 2000:292 [ref. 25640], Nelson et al. 2004:63 [ref. 27807], Love et al. 2005:20 [ref. 37547] as tiginus, McCosker & Allen 2012:39 [ref. 31763], Page et al. 2013:63 [ref. 32708], Galván-Villa et al. 2016:144 [ref. 34871], Del Moral-Flores et al. 2016:606 [ref. 34923], González-Murcia et al. 2019:289 [ref. 36544], Love et al. 2021:36 [ref. 39279]). •Synonym of Myrichthys xysturus (Jordan & Gilbert 1882) -- when both xysturus and tigrinus are in Myrichthys. 2°Homonym. Current status: Synonym of Myrichthys xysturus (Jordan & Gilbert 1882). Ophichthidae: Ophichthinae. Habitat: marine.

xysturus, Ophichthys Jordan [D. S.] & Gilbert [C. H.] 1882:346 [Proceedings of the United States National Museum v. 4 (no. 237); ref. 2470] Mazatlán, Sinaloa, western Mexico. Syntypes: USNM 28142 (1, not found in 1980), 28247 (1), 29642 (1). Type catalog: Smith 1994:35 [ref. 21917]. •Synonym of Myrichthys tigrinus Girard 1859 -- (McCosker & Rosenblatt 1993:165 [ref. 21180]). •Valid as Myrichthys xysturus (Jordan & Gilbert 1882) -- (McCosker 1977:79 [ref. 6836], McCosker 1998:196 [ref. 23298], McCosker & Rosenblatt 2010:188 [ref. 30957], Page et al. 2023:54 [ref. 40505], Vela-Espinosa et al. 2023:6 [ref. 40981]). Current status: Valid as Myrichthys xysturus (Jordan & Gilbert 1882). Ophichthidae: Ophichthinae. Distribution: Eastern Pacific. Habitat: marine.