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Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Cladus: Cynodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohort: Theria
Cohort: Eutheria
Cohort: Placentalia
Cladus: Boreoeutheria
Superordo: Laurasiatheria
Ordo: Artiodactyla
Subordo: Whippomorpha
Infraordo: Cetacea
Cladus: Neoceti
Parvordo: Odontoceti
Cladus: Delphinida
Superfamilia: Delphinoidea

Familia: Delphinidae
Genus: Sotalia
Species: Sotalia fluviatilis - Sotalia guianensis
Name

Sotalia J. E. Gray, 1866

References

Sotalia in Mammal Species of the World.
Wilson, Don E. & Reeder, DeeAnn M. (Editors) 2005. Mammal Species of the World – A Taxonomic and Geographic Reference. Third edition. ISBN 0-8018-8221-4.

Vernacular names
English: Tucuxi
français: Sotalie
日本語: コビトイルカ属
polski: Tucuxi
português: Boto-cinza

The dolphin genus Sotalia is considered to have two member species with the classification of Sotalia guianensis[2][3] as a distinct species from Sotalia fluviatilis[4][5] in 2007. This was a result of recent morphometric analyses, as well as mitochondrial DNA analysis.[6]

Members of this genus are found in the Atlantic and Caribbean coasts of Central and South America as well as in the Amazon River and most of its tributaries.[3]

Member species

Sotalia fluviatilis (Gervais & Deville, 1853), Tucuxi
Sotalia guianensis (van Bénéden, 1864), Costero or Guiana dolphin

References

"Sotalia". Integrated Taxonomic Information System. Retrieved January 2013. {{cite web}}: Check date values in: |accessdate= (help)
Cunha, H.A.; V.M.F. da Silva; J. Lailson-Brito Jr.; M.C.O. Santos; P.A.C. Flores; A.R. Martin; A.F. Azevedo; A.B.L. Fragoso; R.C. Zanelatto & A.M. Solé-Cava (2005). "Riverine and marine ecotypes of Sotalia dolphins are different species". Marine Biology. 148 (2): 449–457. doi:10.1007/s00227-005-0078-2. S2CID 49359327.
"Sotalia guianensis, Guiana Dolphin, Costero". Convention on Migratory Species. 2010. Retrieved January 2013.
"Wilson & Readers Mammals Species of the World". Retrieved January 2013.
IUCN redlist.org

Caballero S, Trujillo F, Vianna JA, Barrios-Garrido H, Montiel MG, Beltran-Pedreros S, Marmontel M, Santos MC, Rossi-Santos M, Santos FR, Baker CS (2007) Taxonomic status of the genus Sotalia: species level ranking for 'tucuxi' (Sotalia fluviatilis) and 'costero' (Sotalia guianensis) dolphins. Mar Mamm Sci 23: 358-386.

Further reading
Flach, Leonardo; Flach, Patricia Amaral; Chiarello, Adriano G (2008). "Density, abundance and distribution of the Guiana dolphin (Sotalia guianensis van Benéden, 1864) in Sepetiba Bay, Southeast Brazil". The Journal of Cetacean Research and Management. International Whaling Commission. 10 (1): 31–36. ISSN 1561-0713. Retrieved January 2013.
Di Beneditto, Ana Paula Madeira; Ramos, Renata Maria Arruda (2004). "Biology of the marine tucuxi dolphin (Sotalia fluviatilis) in south-eastern Brazil". Journal of the Marine Biological Association of the UK. 84 (6): 1245–1250. doi:10.1017/S0025315404010744h. S2CID 85880088.

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