algeriensis, Batrachus Guichenot [A.] 1850:[81], Pl. 5 [Histoire naturelle des reptiles et poissons; ref. 1940] Algeria, western Mediterranean Sea. No types known. Reference to this plate on text page 81 suggests that it is described as Batrachus planifrons in the text; technically, if the plates appeared at the same time as the text then the valid name is determined by a first reviser. •Synonym of Halobatrachus didactylus (Bloch & Schneider 1801) based on placement of Batachus planifrons Guechinot on p. 81 -- (Monod 1973:657 [ref. 7193], Roux 1990:471 [ref. 15312]). Current status: Synonym of Halobatrachus didactylus (Bloch & Schneider 1801). Batrachoididae: Halophryninae. Habitat: brackish, marine.