Simpsonichthys (Hypsolebias)
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publication ID |
z01669p001 |
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DOI |
https://doi.org/10.5281/zenodo.6250128 |
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persistent identifier |
https://treatment.plazi.org/id/B30FA1B0-E93B-EBA4-06D1-C467AC17CBB9 |
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treatment provided by |
Thomas |
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scientific name |
Simpsonichthys (Hypsolebias) |
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Subgenus Hypsolebias Costa, 2006
Hypsolebias Costa, 2006b: 17 (type species: Cynolebias flavicaudatus ZBK Costa & Brasil; type by original designation).
Diagnosis
Distinguished from the other subgenera of Simpsonichthys ZBK 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 ZBK Costa, Nielsen & De Luca, S. stellatus (Costa & Brasil), S. nielseni ZBK Costa, S. rufus ZBK Costa, Nielsen & De Luca, S. notatus (Costa, Lacerda & Brasil), S. radiosus ZBK Costa & Brasil, S. similis ZBK Costa & Hellner, S. gibberatus Costa & Brasil, S. trilineatus (Costa & Brasil), S. auratus ZBK Costa & Nielsen, S. virgulatus Costa & Brasil, S. hellneri (Berkenkamp), S. adornatus ZBK Costa, S. fulminantis (Costa & Brasil), S. carlettoi ZBK Costa & Nielsen, S. magnificus (Costa & Brasil), S. picturatus ZBK Costa, S. antenori (Tulipano), S. igneus ZBK Costa, S. macaubensis Costa & Suzart, S. ghisolfii ZBK Costa, Cyrino & Nielsen, S. mediopapillatus Costa, S. flavicaudatus (Costa & Brasil), S. flagellatus ZBK Costa, S. janaubensis Costa, S. marginatus ZBK Costa & Brasil, S. delucai ZBK Costa, S. alternatus (Costa & Brasil), S. multiradiatus (Costa & Brasil), S. flammeus (Costa), and S. brunoi ZBK 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
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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