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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Otomorpha
Subcohors: Ostariophysi
Sectio: Otophysa
Ordo: Characiformes
Superfamilia: Anostomoidea

Familia: Anostomidae
Genus: Pseudanos
Species (4): P. gracilis – P. trimaculatus – P. varii – P. winterbottomi
Name

Pseudanos Winterbottom, 1980

References
Primary references

Winterbottom, R. 1980: Systematics, osteology and phylogenetic relationships of fishes of the ostariophysan subfamily Anostominae (Characoidei, Anostomidae). Royal Ontario Museum Life Sciences Contributions, (123) DOI: 10.5962/bhl.title.52085 Open access. Reference page.

Additional references

Birindelli, J.L.O.; Lima, F.C.T.; Britski, H.A. 2012: New species of Pseudanos Winterbottom, 1980 (Characiformes: Anostomidae), with notes on the taxonomy of P. gracilis and P. trimaculatus. Zootaxa 3425: 55–68. Preview Reference page.

Pseudanos is a genus of headstander from South America, where found in the Orinoco and Amazon Basins.
Species

There are currently five recognized species in this genus:[1][2]

Pseudanos gracilis (Kner, 1858)
Pseudanos irinae R. Winterbottom, 1980
Pseudanos trimaculatus (Kner, 1858) (Threespot headstander)
Pseudanos varii Birindelli, F. C. T. Lima & Britski, 2012[2]
Pseudanos winterbottomi Sidlauskas & dos Santos, 2005

References

Froese, Rainer and Pauly, Daniel, eds. (2012). Species of Pseudanos in FishBase. August 2012 version.
Birindelli, J.L.O., Lima, F.C.T. & Britski, H.A. (2012): New species of Pseudanos Winterbottom, 1980 (Characiformes: Anostomidae), with notes on the taxonomy of P. gracilis and P. trimaculatus. Zootaxa, 3425: 55–68.

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