Hylaeamys megacephalus

(G. Fischer, 1814)

Azara's Rice Rat

Taxonomy

Subclass : Theria
Infraclass : Placentalia
Magnorder : Boreoeutheria
Superorder : Euarchontoglires
Order : Rodentia
Suborder : Supramyomorpha
Infraorder : Myomorphi
Superfamily : Muroidea
Family : Cricetidae
Subfamily : Sigmodontinae
Tribe : Oryzomyini
Genus : Hylaeamys

Species status

Living
Found in the wild
Listed in MSW3 2005

Authority citation

Fischer, G. 1814. Zoognosia. Volumen III. Quadrupeda reliqua. Ceti. Monotrymata. Nicolai Sergeidis Vsevolozsky, Moscow, 732 pp.

Authority publication link

https://www.biodiversitylibrary.org/page/29130068 https://www.biodiversitylibrary.org/page/29130156

Original name as described

Mus megacephalus

Other common names

Azara's Broad-headed Oryzomys · Azara's Hylaeamys

Type material

UMMZ 133811

Type kind

neotype

Type locality

type not locality given. Fixed by neotype selection by G. G. Musser and colleagues in 1998 as "Departamento de Canendiyu [= Canindeyú], 13.3 km N Curuguaty (24°31'S/55°42'W) in east-central Paraguay east of the Río Paraguay."

Biogeographic realm

Neotropic

Country distribution

Venezuela · Trinidad and Tobago · Guyana · Suriname · French Guiana · Brazil · Paraguay

Taxonomy notes

includes the name laticeps, which was previously used for the species currently known as H. seuanezi; moved from Oryzomys to the recently described Hylaeamys

Taxonomy notes citation

Weksler, M., Percequillo, A. R., & Voss, R. S. (2006). Ten new genera of oryzomyine rodents (Cricetidae: Sigmodontinae). American Museum Novitates, 2006(3537), 1-29.

IUCN Red List status

Least Concern

Species Permalink

https://www.mammaldiversity.org/taxon/1002555

Country distribution map

The map below provides a general overview. Most species inhabit only specific regions within countries. Hover over the highlighted regions to see the country name.

Names and synonyms

Present and past (if available) associated names to the species. Click on a name to view its details. If the list is long, scroll down to see more.

Oryzomys modestus

(J. A. Allen, 1899)

Family

Cricetidae

Root name

modestus

Validity status

synonym

Nomenclatural status

available

Type

AMNH M-14734

Type kind

holotype

Type specimen URI

http://portal.vertnet.org/o/amnh/mammals?id=urn-catalog-amnh-mammals-m-14734

Authority page

212

Authority publication

Bulletin of the American Museum of Natural History

Name usages

  1. Gyldenstolpe (1932:15) (information at https://hesperomys.com/a/67179)
  2. Musser & Carleton (2005) (information at https://hesperomys.com/a/8562)

Oryzomys velutinus

(J. A. Allen & F. M. Chapman, 1893)

Family

Cricetidae

Root name

velutinus

Validity status

synonym

Nomenclatural status

available

Type

AMNH MO-4679, AMNH MS-5949

Type kind

holotype

Type specimen URI

http://portal.vertnet.org/o/amnh/mammals?id=urn-catalog-amnh-mammals-ms-5949

Authority page

214

Authority page URI

https://www.biodiversitylibrary.org/page/26897436

Authority publication

Bulletin of the American Museum of Natural History

Name usages

  1. Thomas (1894:351, https://www.biodiversitylibrary.org/page/24343611) (information at https://hesperomys.com/a/15354)
  2. Gyldenstolpe (1932:15) (information at https://hesperomys.com/a/67179)
  3. Musser & Carleton (2005) (information at https://hesperomys.com/a/8562)

Oryzomys Goeldi

(O. Thomas, 1897)

Family

Cricetidae

Root name

goeldi

Validity status

synonym

Nomenclatural status

available

Type

BMNH:Mamm:1897.4.1.1

Type kind

holotype

Type specimen URI

https://data.nhm.ac.uk/object/66f3f81d-9574-4c51-b594-9ff28702f71f

Authority page

494

Authority page URI

https://www.biodiversitylibrary.org/page/19267982

Authority publication

Annals and Magazine of Natural History

Name usages

  1. Gyldenstolpe (1932:18) (information at https://hesperomys.com/a/67179)
  2. Musser & Carleton (2005) (information at https://hesperomys.com/a/8562)

Mus capito

(I. von Olfers, 1818)

Family

Cricetidae

Root name

capito

Validity status

synonym

Nomenclatural status

available

Type

lost (number not known)

Type kind

holotype

Authority page

209

Authority publication

book

Name usages

Musser & Carleton (2005) (information at https://hesperomys.com/a/8562)

Mus cephalotes

(A. G. Desmarest, 1819)

Family

Cricetidae

Root name

cephalotes

Validity status

synonym

Nomenclatural status

available

Type

lost (number not known)

Type kind

holotype

Authority page

63

Authority page URI

https://www.biodiversitylibrary.org/page/19430620

Authority publication

Nouveau Dictionnaire d'Histoire Naturelle

Name usages

  1. Lesson (1827:270, https://www.biodiversitylibrary.org/page/54207737) (information at https://hesperomys.com/a/36839)
  2. Lesson (1842:142) (information at https://hesperomys.com/a/36812)
  3. Musser & Carleton (2005) (information at https://hesperomys.com/a/8562)

Mus megacephalus

(G. Fischer, 1814)

Family

Cricetidae

Root name

megacephalus

Validity status

species

Nomenclatural status

available

Type

UMMZ 133811

Type kind

neotype

Authority page

vii, 71

Authority page URI

https://www.biodiversitylibrary.org/page/29130068 https://www.biodiversitylibrary.org/page/29130156

Authority publication

Moscow

Name usages

Fischer (1814:vii, 71, https://www.biodiversitylibrary.org/page/29130068, https://www.biodiversitylibrary.org/page/29130156) (information at https://hesperomys.com/a/12226)

Mus laticeps

(P. W. Lund, 1840)

Family

Cricetidae

Root name

laticeps

Validity status

synonym

Nomenclatural status

available

Type

ZMUC 266

Type kind

lectotype

Authority page

279

Authority page URI

https://www.biodiversitylibrary.org/page/13603073

Authority publication

Det Kongelige danske Videnskabernes Selskabs Skrifter

Name usages

Lesson (1842:142) (information at https://hesperomys.com/a/36812)

Calomys saltator

(Winge, 1888)

Family

Cricetidae

Root name

saltator

Validity status

synonym

Nomenclatural status

nomen_novum

Type

ZMUC 266

Type kind

lectotype

Authority page

48

Authority page URI

https://www.biodiversitylibrary.org/page/14663924

Authority publication

E Museo Lundii

Name usages

Musser & Carleton (2005) (information at https://hesperomys.com/a/8562)

Mus cephalotis

(H. R. Schinz, 1825)

Family

Cricetidae

Root name

cephalotis

Validity status

synonym

Nomenclatural status

incorrectsubsequentspelling

Authority page

399

Authority page URI

https://www.biodiversitylibrary.org/page/51523816

Authority publication

Stuttgart

Oryzomys laticeps

(O. Thomas, 1894)

Family

Cricetidae

Root name

laticeps

Validity status

synonym

Nomenclatural status

name_combination

Authority page

354

Authority page URI

https://www.biodiversitylibrary.org/page/24343614

Authority publication

Annals and Magazine of Natural History

Name usages

  1. Thomas (1894:354, https://www.biodiversitylibrary.org/page/24343614) (information at https://hesperomys.com/a/15354)
  2. Gyldenstolpe (1932:17) (information at https://hesperomys.com/a/67179)
  3. Musser & Carleton (2005) (information at https://hesperomys.com/a/8562)

Oryzomys laticeps laticeps

(Gyldenstolpe, 1932)

Family

Cricetidae

Root name

laticeps

Validity status

synonym

Nomenclatural status

name_combination

Authority page

17

Authority publication

Kunglika Svenska Vetenskapsakademiens Handlingar

Name usages

Gyldenstolpe (1932:17) (information at https://hesperomys.com/a/67179)

Oryzomys capito

(Corbet & J. Edwards Hill, 1980)

Family

Cricetidae

Root name

capito

Validity status

synonym

Nomenclatural status

name_combination

Authority page

143

Authority publication

London

Name usages

  1. Corbet & Hill (1980:143) (information at https://hesperomys.com/a/63069)
  2. Honacki, Kinman & Koeppl (1982:437, 438) (information at https://hesperomys.com/a/63071)

Oryzomys megacephalus

(Musser & Carleton, 2005)

Family

Cricetidae

Root name

megacephalus

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

  1. Musser & Carleton (2005) (information at https://hesperomys.com/a/8562)
  2. O'Brien, Menninger & Nash (2006:192) (information at https://hesperomys.com/a/7321)

Hylaeamys laticeps

Weksler, Percequillo, & Voss, 2006

Family

Cricetidae

Root name

laticeps

Validity status

synonym

Nomenclatural status

name_combination

Authority page

14

Authority page URI

https://www.biodiversitylibrary.org/page/59816732

Authority publication

American Museum Novitates

Name usages

  1. Weksler, Percequillo & Voss (2006:14, https://www.biodiversitylibrary.org/page/59816732) (information at https://hesperomys.com/a/2449)
  2. Wilson, Mittermeier & Lacher (2017:431) (information at https://hesperomys.com/a/57900)
  3. Mammal Diversity Database (2018:ID #29404) (information at https://hesperomys.com/a/67336)
  4. Mammal Diversity Database (2019:ID #29404) (information at https://hesperomys.com/a/67337)
  5. International Union for the Conservation of Nature (2024, https://www.iucnredlist.org/species/29404/22327572) (information at https://hesperomys.com/a/67246)

Hylaeamys megacephalus

Weksler, Percequillo, & Voss, 2006

Family

Cricetidae

Root name

megacephalus

Validity status

synonym

Nomenclatural status

name_combination

Authority page

14

Authority page URI

https://www.biodiversitylibrary.org/page/59816732

Authority publication

American Museum Novitates

Name usages

  1. Weksler, Percequillo & Voss (2006:14, https://www.biodiversitylibrary.org/page/59816732) (information at https://hesperomys.com/a/2449)
  2. Wilson, Mittermeier & Lacher (2017:430) (information at https://hesperomys.com/a/57900)
  3. Mammal Diversity Database (2018:ID #29403) (information at https://hesperomys.com/a/67336)
  4. Mammal Diversity Database (2019:ID #29403) (information at https://hesperomys.com/a/67337)
  5. Mammal Diversity Database (2024, https://www.mammaldiversity.org/taxon/1002555) (information at https://hesperomys.com/a/67250)
  6. International Union for the Conservation of Nature (2024, https://www.iucnredlist.org/species/29403/115168269) (information at https://hesperomys.com/a/67246)

Mus ?Capito

(Illiger, 1815)

Family

Cricetidae

Root name

capito

Validity status

synonym

Nomenclatural status

nomen_nudum

Authority page

108

Authority page URI

https://www.biodiversitylibrary.org/page/11080964

Authority publication

Abhandlungen der physikalischen Klasse der Königlich-Preussischen Akademie der Wissenschaften

Name usages

Illiger (1815:108, https://www.biodiversitylibrary.org/page/11080964) (information at https://hesperomys.com/a/38688)

Mus laticeps

(P. W. Lund, 1839)

Family

Cricetidae

Root name

laticeps

Validity status

synonym

Nomenclatural status

nomen_nudum

Authority page

233

Authority page URI

https://www.biodiversitylibrary.org/page/13394383

Authority publication

Annales des sciences naturelles

Oryzomys Goeldii

(E. A. Goeldi & Hagmann, 1904)

Family

Cricetidae

Root name

goeldii

Validity status

synonym

Nomenclatural status

incorrectsubsequentspelling

Authority page

80

Authority page URI

https://www.biodiversitylibrary.org/page/41783262

Authority publication

Boletim do Museu Goeldi (Museu Paraense) de Historia Natural e Ethnographia

Oryzomys angouya

(C. O. da C. Vieira, 1953)

Family

Cricetidae

Root name

angouya

Validity status

synonym

Nomenclatural status

misidentification

Authority page

137

Authority publication

Arquivos de zoologia do estado de São Paulo

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