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
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Subordo: Cynodontia
Infraordo: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus: Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohors: Theria
Cohors: Eutheria
Infraclassis: Placentalia
Cladus: Boreoeutheria
Superordo: Euarchontoglires
Ordo: Rodentia
Subordo: Myomorpha
Superfamilia: Muroidea
Familia: Cricetidae
Subfamilia: Sigmodontinae
Tribus: Akodontini
Genus: Oxymycterus
Species: Oxymycterus rufus
Name
Oxymycterus rufus (G. Fischer, 1814)
Holotype: not assigned; based on Azara’s (1801: 94) “rat cinquième ou rat roux”
Neotype: MLP 26.XII.01.05, adult ♂, skin, skull, mandible, and postcranial skeleton. [designated by Oliveira & Gonçalves (2015: 266)]
Type locality: “Paraguay”; redefined based on neotype to “Estancia San Juan Poriahú, Depto. San Miguel, Provincia Corrientes, Argentina (27.71667°S, 57.19389°W)” by Oliveira & Gonçalves (2015: 264)]
Combinations
Mus rufus G. Fischer, 1814: 71 [original combination]
O[xymycterus]. rufus: Burmeister, 1855: 10 [name combination]
Synonyms
Mus rutilans Olfers, 1818: 209 [based on Azara’s (1801) "rat cinquième ou rat roux."]
Oxymycterus platensis Thomas, 1914: 244 [synonymised by Vitullo et al. 1986]
Holotype: BMNH 99.10.4.1., adult ♂, skin and skull.
Type locality: “Ensenada, La Plata. Sea Level”, Buenos Aires, Argentina.
References
Primary references
Fischer, G. 1814. Zoognosia tabulis synopticis illustrata, in usum praelectionum Academiae Imperialis Medico-Chirurgicae Mosquensis edita. Editio Tertia. Volumen Tertium. Quadrupedum reliquorum, cetorum et montrymatum descriptionem continens. Nicolai Sergeidis Vsevolozsky: Mosquae [=Moscow]. xxiv + 732 pp. BHL Reference page.
Olfers, I. 1818. Bemerkungen zu Illiger's Ueberblick der Saugethiere nach ihrer Betheilung über die Welttheile rüchsichtlich der Südamerikanischen Arten (Species). In Journal von Brasilien, odor vermischte Nachrichten auch Brasilien, auf wissenschaftlichen Reisen gesammelt, W. L. von Eschwege, 192–237. In Neue Bibliothek der wichtigsten Reisebeschreibungen zur Erwiterung der Erd- und Völkerkunde; in Verbindung mit einigen anderen Gelehrten gesmmelt un herausgegben, ed. F. I. Bertuch. Weimar: Verlage des Landes- Industrie- Comptoirs, 15(2): xii + 304 pp., 6 plates.
Thomas, O. 1914. New South-American rodents. The Annals and Magazine of Natural History, series 8 14: 240–244.
Vernacular names
English: Red Hocicudo
español: Ratón Hocicudo de Azara
The red hocicudo (Oxymycterus rufus) is a rodent species from South America. It is found in Argentina, Brazil and Uruguay.
Ecology
The red hocicudo has been found to be one of the most heavily ectoparasite-infested rodents in a village studied in the Paraná Delta area. Of the species of rodent caught, it ranked top alongside the Azara's grass mouse (Akodon azarae). In the tests, 585 fleas were found, 2404 ticks in the family Ixodidae, 2603 mites in the order Mesostigmata and 3745 lice.[2] In another study in a marshy area of Buenos Aires Province, 93% of the red hocicudos studied had parasites, with eight species of parasitic arthropod being detected.
References
Pardinas, U.; D'Elia, G. & Teta, P. (2008). "Oxymycterus rufus". IUCN Red List of Threatened Species. 2008. Retrieved 9 June 2009.
"Ectoparásitos: Los hocicudos rojizos son los roedores más afectados". Universidad Nacional del Litoral. 12 November 2014. Retrieved 25 June 2016.
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