Species that contain: Malacoctenus and margaritae and margaritae [ 2 ] records

margaritae, Acteis Fowler [H. W.] 1944:285, Fig. 239 [Monographs of the Academy of Natural Sciences of Philadelphia No. 6; ref. 1448] Tide pool at Saboga, Perlas Islands, (Pacific) Panama. Holotype: ANSP 70047. Paratypes: ANSP 70050-59 (10). Type catalog: Böhlke 1984:61 [ref. 13621]. •Valid as Malacoctenus margaritae (Fowler 1944) -- (Allen & Robertson 1994:232 [ref. 22193], Hastings in Fischer et al. 1995:1014 [ref. 22829], De La Cruz Agüero et al. 1997:208 [ref. 24545], Thomson et al. 2000:213 [ref. 25640], Nelson et al. 2004:163 [ref. 27807], Love et al. 2005:155 [ref. 37547], Patzner et al. 2009:463 [ref. 30396], Hastings & Springer 2009:10 [ref. 31156], Palacios-Salgado et al. 2014:238 [ref. 36362]). Current status: Valid as Malacoctenus margaritae (Fowler 1944). Labrisomidae. Distribution: Eastern Pacific: southern tip of Baja California Sur (Mexico) south to Ecuador, including Gulf of California (Mexico). Habitat: marine.

mexicanus, Malacoctenus margaritae Springer [V. G.] 1959:449, Pl. 3 (fig. 4) [Publications of the Institute of Marine Sciences, University of Texas v. 5 (for Dec. 1958); ref. 10210] South side of Bahia Inez Island, Gulf of California, Mexico. Holotype: USNM 174956. Paratypes: (183) BMNH 1957.5.1.51-57 (26); FMNH 61905 (47); CAS-SU 49683-84 (1, 1); SIO 15-299 (20) (ex UCLA W53-91), 15-1173 (1) (ex UCLA 53-93), 15-2442 (1) (ex UCLA W53-89), UCLA W52-51 (1); USNM 174959 (85, actual 86). Type catalog: Ibarra & Stewart 1987:55 [ref. 12367], Springer & Orrell 1996:20 [ref. 22274]. •Synonym of Malacoctenus margaritae (Fowler 1944) -- (Allen & Robertson 1994:232 [ref. 22193]). •Valid as Malacoctenus mexicanus Springer 1959 -- (Patzner et al. 2009:463 [ref. 30396], Hastings & Springer 2009:10 [ref. 31156], Page et al. 2013:169 [ref. 32708], Galván-Villa et al. 2016:149 [ref. 34871], Fourriére et al. 2016:449 [ref. 34668], Del Moral-Flores et al. 2016:611 [ref. 34923] as aff. mexicanus, Love et al. 2021:198 [ref. 39279], Page et al. 2023:154 [ref. 40505]). Current status: Valid as Malacoctenus mexicanus Springer 1959. Labrisomidae. Distribution: Eastern Pacific: Mexico endemic. Habitat: marine.