euxinica, Diplecogaster bimaculata Murgoci [A. A.] 1964:229, Fig. 1 [Revue Roumaine de Biologie, Série de Zoologie v. 9 (no. 5); ref. 2663] Western Black Sea, Romania. Holotype: MGAB 55. Paratypes: (13) whereabouts unknown. •Synonym of Diplecogaster bimaculata (Bonnaterre 1788) -- (Hofrichter 1995:138 [ref. 30502], Fricke et al. 2007:100 [ref. 29533]). •Synonym of Diplecogaster bimaculata (Bonnaterre 1788), but a valid subspecies euxinica as described -- (Briggs 1973:653 [ref. 7222], Briggs in Whitehead et al. 1986:1354 [ref. 13677], Parin et al. 2015:471 [ref. 33547]). •Valid as Diplecogaster euxinica Murgoci 1964 -- (Fricke et al. 2015:6 [ref. 33962], Bilecenoğlu et al. 2017:210 [ref. 35501], Fricke & Wirtz 2017:6 [ref. 35696], Fricke & Wirtz 2023:7 [ref. 40196]). Current status: Valid as Diplecogaster euxinica Murgoci 1964. Gobiesocidae: Lepadogastrinae. Distribution: Black Sea. Habitat: brackish, marine.