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Vesper mouse Temporal range: Pleistocene to Recent
Small vesper mouse (Calomys laucha)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Rodentia
Family:	Cricetidae
Subfamily:	Sigmodontinae
Tribe:	Phyllotini
Genus:	Calomys Waterhouse, 1837
Type species
Mus bimaculatus
Species
Calomys boliviae Calomys callidus Calomys callosus Calomys cerqueirai Calomys expulsus Calomys fecundus Calomys hummelincki Calomys laucha Calomys lepidus Calomys musculinus Calomys sorellus Calomys tener Calomys tocantinsi Calomys venustus
Synonyms
Hesperomys Waterhouse, 1839

Vesper mice are rodents belonging to the genus Calomys. They are widely distributed in South America. Some species are notable as the vectors of Argentinian hemorrhagic fever and Bolivian hemorrhagic fever.

The genus was originally named Hesperomys, but was changed to Calomys in 1962.

History

Hesperomys was introduced by George Robert Waterhouse in 1839 for the American rodents with cusps arranged in two series. The name combines the Greek ἑσπερος "west" and μυς "mouse". He considered it possible that species of Hesperomys would be found in the Old World, but did not doubt that the Americas were their chief abode. He included as species Mus bimaculatus (=Calomys laucha), Mus griseo-flavus (=Graomys griseoflavus), Mus Darwinii (=Phyllotis darwini), Mus zanthopygus (=Phyllotis xanthopygus), Mus galapagoensis (=Aegialomys galapagoensis), Symidon hispidum (=Sigmodon hispidus), Mus leucopus (=Peromyscus leucopus), and the woodrats (Neotoma).

In following years, authors like Johann Andreas Wagner and Spencer Fullerton Baird expanded the genus to include additional American species, such as those placed now in Scapteromys, Oxymycterus, Abrothrix, and Peromyscus. In 1874, Elliott Coues designated Mus bimaculatus Waterhouse as the type species of Hesperomys. In 1888, Herluf Winge used Hesperomys in a sense similar to modern Calomys (but confusingly placed species related to what is now known as Oryzomys in Calomys), but in the same year Oldfield Thomas argued that Hesperomys could not be separated from the hamsters (Cricetus). In 1896, however, he united it with Eligmodontia instead, where it remained until he reinstated it for modern Calomys in 1916. He did not use Calomys (introduced by Waterhouse in 1837 for Mus bimaculatus), because he thought it to be preoccupied by an earlier name Callomys d'Orbigny and Geoffroy, 1830. In 1962, Philip Hershkovitz noted that the International Code of Zoological Nomenclature mandates that a name cannot be considered preoccupied even when it differs by only one letter from another, so Callomys cannot invalidate Calomys. As Calomys Waterhouse, 1837, and Hesperomys Waterhouse, 1839, both had Mus bimaculatus as their type species, the two are objective synonyms and the older name, Calomys, prevails; since then, Hesperomys has no longer been in use as a valid name.

References

1. Wilson, D. E.; Reeder, D. M., eds. (2005). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. ISBN 978-0-8018-8221-0. OCLC 62265494.
2. Hershkovitz 1962, p. 129; Waterhouse 1839, p. 75
3. Waterhouse 1839, pp. 75–76; current nomenclature: Musser & Carleton 2005; Weksler, Percequillo & Voss 2006
4. ^ Hershkovitz 1962, p. 129
5. Hershkovitz 1962, p. 130

Further reading

• Hershkovitz, P. (1962). "Evolution of Neotropical cricetine rodents (Muridae) with special reference to the phyllotine group". Fieldiana Zoology. 46: 1–524.
• Musser, G. G.; Carleton, M. D. (2005). "Superfamily Muroidea". In Wilson, D.E.; D. M., Reeder (eds.). Mammal Species of the World: a taxonomic and geographic reference (3rd ed.). Baltimore: Johns Hopkins University Press. pp. 894–1531. ISBN 978-0-8018-8221-0.
• Tate, G.H.H. (1932). "The taxonomic history of the South and Central American cricetid rodents of the genus Oryzomys. Part 1, Subgenus Oryzomys". American Museum Novitates (579): 1–18. hdl:2246/4146.
• Waterhouse, G. R. (1839). "The Zoology of the Voyage of H.M.S. Beagle, under the command of Captain Fitzroy, R.N., during the years 1832 to 1836. Part II: Mammalia". London: Smith, Elder & Co. {{cite journal}}: Cite journal requires |journal= (help)
• Weksler, M.; Percequillo, A. R.; Voss, R. S. (2006-10-19). "Ten new genera of oryzomyine rodents (Cricetidae: Sigmodontinae)". American Museum Novitates (3537). American Museum of Natural History: 1–29. doi:10.1206/0003-0082(2006)3537[1:TNGOOR]2.0.CO;2. hdl:2246/5815. S2CID 84088556.
• Bonvicino, Cibele R.; De Oliveira, João A.; Gentile, Rosana (2010). "A new species of Calomys (Rodentia: Sigmodontinae) from Eastern Brazil" (PDF). Zootaxa. 2336: 19. doi:10.11646/zootaxa.2336.1.2. S2CID 14564066.

v t e Myomorpha
Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Rodentia
Myomorpha †Anomalomyidae Anomalomys Anomalospalax Prospalax Dipodoidea †Aksyiromys †Banyuesminthus †Elmymys †Primisminthus †Simiacritomys Dipodidae Allactaginae Allactaga Allactodipus Pygeretmus Scarturus Cardiocraniinae Cardiocranius Salpingotulus Salpingotus Dipodinae Dipodini Dipus Eremodipus Jaculus Stylodipus Paradipodini Paradipus Euchoreutinae Euchoreutes †Simimyidae Nonomys Simimys Sminthidae †Allosminthus †Gobiosminthus †Heosminthus †Heterosminthus †Lophocricetus †Macrognathomys †Megasminthus †Miosicista †Paraminthus †Schaubemys †Shamosminthus Sicista †Sinosminthus †Tyrannomys Zapodidae Eozapus †Javazapus Napaeozapus †Pliozapus †Sinozapus †Sminthozapus Zapus Muroidea †Armintomyidae Armintomys Platacanthomyidae †Neocometes Platacanthomys Typhlomys Spalacidae Myospalacinae Eospalax Myospalax †Pliosiphneus Rhizomyinae †Brachyrhizomys Cannomys Rhizomys Tachyoryctes Spalacinae Nannospalax Spalax Eumuroida See below↓
Eumuroida Calomyscidae Calomyscus Cricetidae †Copemys †Eumys †Wilsoneumys Arvicolinae Arvicolini Arvicola †Mimomys Clethrionomyini †Allophaiomys †Altaiomys Alticola †Borsodia Caryomys Clethrionomys Craseomys Eothenomys †Pitymimomys †Prolagurus Dicrostonychini Dicrostonyx †Predicrostonyx Ellobiusini Bramus Ellobius Lagurini Eolagurus Lagurus Lemmini Lemmus Myopus †Plioctomys Synaptomys †Tobienia Microtini Alexandromys Chionomys Hyperacrius Lasiopodomys Lemmiscus Microtus Mictomicrotus Neodon Proedromys Stenocranius Volemys Ondatrini †Cosomys Neofiber †Ogmodontomys Ondatra Pliophenacomyini Arborimus Phenacomys Pliomyini Dinaromys †Pliomys Cricetinae Allocricetulus †Apocricetus Cansumys †Collimys †Cricetinus †Cricetulodon Cricetulus Cricetus Mesocricetus †Neocricetodon Nothocricetulus Phodopus †Rotundomys †Symmetrodontomys Tscherskia Urocricetus †Democricetodontinae Democricetodon Karydomys Spanocricetodon Neotominae †Protorepomys †Tsaphanomys Baiomyini Baiomys Scotinomys Neotomini Hodomys Nelsonia Neotoma Xenomys Ochrotomyini Ochrotomys Reithrodontomyini Habromys Isthmomys Megadontomys Neotomodon Onychomys Osgoodomys Peromyscus Podomys Reithrodontomys Sigmodontinae †Cordimus Juliomys †Megaoryzomys Oryzomyalia Abrotrichini Abrothrix Chlelemys Geoxus Notiomys Akodontini Akodon Bibimys Blarinomys Brucepattersonius Deltamys Juscelinomys Kunsia Lenoxus Necromys Neomicroxus Oxymycterus Podoxymys Scapteromys Thalpomys Thaptomys Ozyzomyini Aegialomys Amphinectomys Cerradomys Drymoreomys Eremoryzomys Euryoryzomys Handleyomys Holochilus Hylaeamys Lundomys †Megalomys Melanomys Microakodontomys Microryzomys Mindomys Neacomys Nectomys Nephelomys Nesoryzomys Noronhomys Oecomys Oligoryzomys Oreoryzomys Oryzomys Pseudoryzomys Scolomys Sigmodontomys Sooretamys Tanyuromys Transandinomys Zygodontomys Phyllotini Andalgalomys Andinomys Auliscomys Calassomys Calomys Chinchillula Eligmodontia Euneomys Galenomys Graomys †Ichthyurodon Irenomys Loxodontomys Neotomys †Olympicomys Phyllotis Punomys Reithrodon Salinomys †Tafimys Tapecomys Thomasomyini Abrawayaomys Aepeomys Chilomys Delomys Phaenomys Rhagomys Rhipidomys Thomasomys Wilfredomys Wiedomyini †Cholomys Wiedomys Sigmodontalia Ichthyomyini Anotomys Chibchanomys Daptomys Ichthyomys Neusticomys Rheomys Sigmodontini †Prosigmodon Sigmodon Tylomyinae Nyctomyini Nyctomys Ototylomys Tylomyini Otonyctomys Tylomys Muridae Deomyinae Acomys Deomys Lophuromys Uranomys Gerbillinae Ammodillus Desmodilliscini Desmodilliscus Pachyuromys Gerbillini Brachiones Dipodillus Gerbillus Meriones Microdillus Psammomys Rhombomys Sekeetamys Gerbillurini Desmodillus Gerbilliscus Gerbillurus Tatera Taterillini Taterillus Leimacomyinae Leimacomys Lophiomyinae Lophiomys Murinae †Alormys †Coryphomys Hadromys †Hoojieromys †Milimonggamys †Rakasamys †Spelaeomys Vernaya Apodemini Apodemus †Rhagamys Tokudaia Arvicanthini Aethomys Arvicanthis †Canariomys Dasymys Dephomys Desmomys Golunda Grammomys Hybomys Lamottemys Lemniscomys †Malpaisomys Micaelamys Mylomys Oenomys †Parapelomys Pelomys Rhabdomys †Saharamys †Saidomys Stochomys Thallomys Thamnomys Typomys Hapalomyini Hapalomys Hydromyini Anisomys Apomys Archboldomys Baiyankamys Brassomys Chiropodomys Chiruromys Chrotomys Coccymys Conilurus Crossomys Haeromys Hydromys Hyomys Leggadina Leporillus Leptomys Lorentzimys Macruromys Mallomys Mastacomys Melomys Mesembriomys Microhydromys Mirzamys Notomys Parahydromys Paraleptomys Paramelomys Pogonomys Protochromys Pseudohydromys Pseudomys Rhynchomys Solomys Soricomys Uromys Xeromys Zyzomys Malacomyini Malacomys Millardini Cremnomys Diomys Madromys Millardia Pithecheir Pithecheirops Murini Mus Otomyini Myotomys Otomys Parotomys Phloeomyini Batomys Carpomys Crateromys Musseromys Phloeomys Praomyini Chingawaemys Colomys Congomys Heimyscus Hylomyscus Mastomys Montemys Myomyscus Nilopegamys Ochromyscus Praomys Serengetimys Stenocephalemys Zelotomys Rattini Abditomys Anonymomys Bandicota Berylmys Bullimus Bunomys Chiromyscus Crunomys Dacnomys Diplothrix Echiothrix Eropeplus Halmaheramys Hyorhinomys Kadarsanomys Komodomys Lenomys Lenothrix Leopoldamys Limnomys Margaretamys Maxomys Melasmothrix Micromys Nesokia Nesoromys Niviventer Papagomys Palawanomys Paruromys Paucidentomys Paulamys Rattus Saxatilomys Sommeromys Srilankamys Sundamys Taeromys Tarsomys Tateomys Tonkinomys Tryphomys Waiomys Vandeleurini Vandeleuria †Pseudocricetodontinae Adelomyarion Cincamyarion Heterocricetodon Latocricetodon Lignitella Kerosinia Oxynocricetodon Pseudocricetodon Nesomyidae Cricetomyinae Beamys Cricetomys Saccostomus Delanymyinae Delanymys Dendromurinae Dendromus Dendroprionomys Malacothrix Megadendromus Prionomys Steatomys Mystromyinae Mystromys Nesomyinae Brachytarsomys Brachyuromys Eliurus Gymnuromys Hypogeomys Macrotarsomys Monticolomys Nesomys Voalavo Petromyscinae Petromyscus

• Calomys
• Stored-product pests
• Rodent genera
• Taxa named by George Robert Waterhouse