Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Ordo: Therapsida
Cladus: Theriodontia
Subordo: Cynodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohort: Theria
Cohort: Eutheria
Cohort: Placentalia
Cladus: Boreoeutheria
Superordo: Euarchontoglires
Ordo: Rodentia
Subordo: Sciuromorpha
Familia: Sciuridae
Subfamilia: Sciurinae
Tribus: Sciurini
Genus: Syntheosciurus
Species: S. brochus
Name
Syntheosciurus Bangs, 1902
Vernacular names
References
Syntheosciurus 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.
Bangs's mountain squirrel (Syntheosciurus brochus) is a poorly known species of tree squirrel, that only lives in Costa Rica and Panama. It can be found in mountain rain forests at an altitude between 1,900 and 2,600 metres (6,200 and 8,500 ft), and lives mainly in the tree tops, but sometimes on the forest floor as well. One of its habitats is at the summit of the Poás Volcano in Costa Rica, in a Clusia forest that is almost inaccessible to humans.
Description
The squirrel's head and body measure 15 centimetres (5.9 in), with a 13 centimetres (5.1 in) tail. It has an olive brown back and an orange-red belly. Because of the shape of its skull and teeth, the species has been separated from the genus of typical tree squirrels, Sciurus, into its own (monotypical) genus Syntheosciurus.
Recent discovery
Until the 1980s, only four animals of this species were known. Since then, the species has been studied more in depth, especially by the zoologists N.M.Wells and J.Giacalone, who write that these mountain squirrels are sociable creatures. These squirrels live in pairs, together with their young, in a tree nest at a height of 6 to 12 metres (20–39 ft).
References
Koprowski, J.; Roth, L.; Reid, F.; Woodman, N.; Timm, R.; Pino, J. & Samudio. R. (2008). "Syntheosciurus brochus". The IUCN Red List of Threatened Species. IUCN. 2008: e.T21260A9262389. doi:10.2305/IUCN.UK.2008.RLTS.T21260A9262389.en. Retrieved 24 December 2017.
Ronald M. Nowak: Walker's Mammals of the World. Johns Hopkins University Press, 1999 ISBN 0-8018-5789-9
Robert K. Enders: Observations on Syntheosciurus: taxonomy and behavior. Journal of Mammalogy 1980, Bd. 61, S. 725-727
J. Giacalone, N.M. Wells, G. Willis: Observations on Syntheosciurus brochus (Sciuridae) in Volcán Poás National Park. Journal of Mammalogy 1987, Bd. 68, S. 145-147
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