Neacomys amoenus

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Taxonavigation: Muroidea 

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
Cladus: Cynodontia
Cladus: 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
Tribe: Oryzomyini
Genus: Neacomys
Species: Neacomys amoenus


  • Neacomys amoenus Thomas, 1903: 239

Holotype: BMNH, adult ♂, skin and skull.

Type locality: “Santa Ana da Chapada, a village situated at an altitude of about 800 m., on the Serra do Chapada [= Chapada dos Guimarães], some thirty miles N.E. of Cuyabá”, specified to between 700 to 900 meters, approximately 15º30’S, 55º31’W, Serra do Chapada, Chapada do Guimarães, Cuiabá, Mato Grosso, Brazil, by Hurtado & Pacheco (2017: 414).


  • Neacomys spinosus amoenus Thomas, 1903: 239 [original combination, as subspecies]
  • Neacomys amoenus: Hurtado & Pacheco, 2017: 413 [name combination, elevate to species]



Primary references

  • Thomas, O. 1903. On the mammals collected by Mr. A. Robert at Chapada, Matto Grosso (Percy Sladen Expedition to Central Brazil). Proceedings Zoological Society of London 1903, 232–244.
  • Hurtado, N. & Pacheco, V. 2017. Revision of Neacomys spinosus (Thomas, 1882) (Rodentia: Cricetidae) with emphasis on Peruvian populations and the description of a new species. Zootaxa 4242(3): 401–440. DOI: 10.11646/zootaxa.4242.3.1 Paywall Reference page

Vernacular names

English: Pleasant Spiny Mouse