Nothobranchius, PETERS, 1868

GENUS NOTHOBRANCHIUS PETERS, 1868 View in CoL

Synonyms: Adiniops Myers, 1924: 6 (type species: Fundulus guentheri Pfeffer, 1893 ; original designation; here considered as subgenus); Zononothobranchius Radda, 1969: 163 (type species: Nothobranchius rubroreticulatus Blache & Milton, 1960 ; original designation; here considered as subgenus); Aphyobranchius Wildekamp, 1977: 326 (type species: N. janpapi Wildekamp, 1977 ; original designation); Paranothobranchius Seegers, 1985 (type species: Paranothobranchius ocellatus Seegers, 1985 ; original designation; here considered as subgenus).

Type species: Cyprinodon orthonotus Peters, 1844 ; By original designation.

Diagnosis: The genus Nothobranchius is distinguished from all other genera of the Nothobranchiini by all included species sharing three apomorphic conditions: lachrymal canal length about two or three times the bone width [76.1] (vs. nearly equal); presence of long and pointed posterior processes on the basal portion of middle rays of the anal fin [87.1] (vs. absence); and preopercular canal open [109.1] (vs. completely or partly closed).

Included taxa: About 70 valid species, in six subgenera: Adiniops Myers, 1924 , Cynobranchius subgen. nov. Nothobranchius Peters, 1868 , Paranothobranchius Seegers, 1985 , Plesiobranchius subgen. nov. and Zononothobranchius Radda, 1969 .