costaricanus, Malacoctenus Springer [V. G.] 1959:468, Pl. 7 (fig. 1) [Publications of the Institute of Marine Sciences, University of Texas v. 5 (for Dec. 1958); ref. 10210] Piedra Blanca Bay, Costa Rica, eastern Pacific. Holotype: CAS-SU 49601. Paratypes: CAS-SU 49602 [ex NYZS 28151] (2), 49603 [ex NYZS 28169] (1). •Valid as Malacoctenus costaricanus Springer 1959 -- (Hastings in Fischer et al. 1995:1014 [ref. 22829], Patzner et al. 2009:463 [ref. 30396]). Current status: Valid as Malacoctenus costaricanus Springer 1959. Labrisomidae. Distribution: Eastern Pacific. Habitat: marine.