microstoma, Monolene Cadenat [J.] 1937:524, Fig. 56 [Revue des Travaux de l'Institut des Pêches Maritimes v. 10 (fasc. 4, no. 40); ref. 17134] Conakry, Guinea, west Africa. Syntypes: MHNLR P.401 (1), MNHN 1938-0011 (1). Type catalog: Aloncle 1968:690 [ref. 20713], Desoutter et al. 2001:307-308 [ref. 25922]. •Valid as Monolene microstoma Cadenat 1937 -- (Aldebert et al. 1990:1035 [ref. 19526], Amaoka & Imamura 2000:247 [ref. 24802], Munroe in Carpenter & De Angelis 2016:2993 [ref. 34618], Carneiro et al. 2019:190 [ref. 37250], Fermon et al. 2022:231 [ref. 39448]). Current status: Valid as Monolene microstoma Cadenat 1937. Bothidae. Distribution: Eastern Atlantic Senegal south to Namibia, possibly including Madeira. Habitat: marine.