Simpsonichthys (Hypsolebias)
Creators: name: Wilson J. E. M. Costa
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Cyprinodontiformes
Rivulidae
Simpsonichthys
Simpsonichthys ocellatus

description: Subgenus Hypsolebias Costa, 2006
Hypsolebias Costa, 2006b: 17 (type species: Cynolebias flavicaudatus Costa & Brasil; type by original designation).
Diagnosis
Distinguished from the other subgenera of Simpsonichthys in having the second pharyngobranchial longer than wide (vs. wider than long). Another synapomorphy of Hypsolebias is the presence of a shortened lateroventral process of the hyomandibula, which independently occurs in some species of Spectrolebias (vs. wide process).
Included species
Simpsonichthys ocellatus Costa, Nielsen & De Luca, S. stellatus (Costa & Brasil), S. nielseni Costa, S. rufus Costa, Nielsen & De Luca, S. notatus (Costa, Lacerda & Brasil), S. radiosus Costa & Brasil, S. similis Costa & Hellner, S. gibberatus Costa & Brasil, S. trilineatus (Costa & Brasil), S. auratus Costa & Nielsen, S. virgulatus Costa & Brasil, S. hellneri (Berkenkamp), S. adornatus Costa, S. fulminantis (Costa & Brasil), S. carlettoi Costa & Nielsen, S. magnificus (Costa & Brasil), S. picturatus Costa, S. antenori (Tulipano), S. igneus Costa, S. macaubensis Costa & Suzart, S. ghisolfii Costa, Cyrino & Nielsen, S. mediopapillatus Costa, S. flavicaudatus (Costa & Brasil), S. flagellatus Costa, S. janaubensis Costa, S. marginatus Costa & Brasil, S. delucai Costa, S. alternatus (Costa & Brasil), S. multiradiatus (Costa & Brasil), S. flammeus (Costa), and S. brunoi Costa.
Distribution
Central and northeastern Brazil, including the upper and middle rio Tocantins basin, middle rio São Francisco basin, lower rio Jaguaribe basin and adjacent coastal basins, and middle rio Jequitinhonha.
Key to species groups of the subgenus Hypsolebias
1a. Frontal squamation E-patterned.............................................................................................................3
1b. Frontal squamation F-patterned........................................................................ S. notatus species group
2a(1a). Flank with unbroken conspicuous dark gray bars in females................................................................3
2b(1a). Flank with dark gray inconspicuous broken bars or spots in females................................. S. magnificus species group
3a(2a). Anal fin long, spatula-shaped in females; no spots on caudal peduncle in females................................ ....................................................................................................................... S. flammeus species group
3b(2a). Anal fin short, semi-circular in females; black spots on caudal peduncle in females............................. ......................................................................................................................... S. antenori species group
description: Published as part of Wilson J. E. M. Costa, 2007, Taxonomic revision of the seasonal South American killifish genus Simpsonichthys (Teleostei: Cyprinodontiformes: Aplocheiloidei: Rivulidae)., pp. 1-134 in Zootaxa 1669 on page 54