Taxonomic revision of the seasonal South American killifish genus Simpsonichthys (Teleostei: Cyprinodontiformes: Aplocheiloidei: Rivulidae).
Author
Wilson J. E. M. Costa
text
Zootaxa
2007
1669
1
134
http://www.zoobank.org/urn:lsid:zoobank.org:pub:F23FABE8-719E-4F7E-B225-A9C5D45CCFCE
journal article
z01669p001
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
Sao
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