This is a list of the mammal species recorded in Paraguay. There are 184 mammal species in Paraguay,de la Sancha, Noé U., Celia López-González, Guillermo D'Elia, Philip Myers, Lourdes Valdez, and María Luisa Ortiz. "An annotated checklist of the mammals of Paraguay." Therya 8, no. 3 (2017): 241-260. https://doi.org/10.12933/therya-17-473de la Sancha, Noé U., Gustavo S. Libardi, and Ulyses FJ Pardiñas. "Discovery of a new genus record for Paraguay, the Atlantic Forest endemic rodent Abrawayaomys (Cricetidae, Sigmodontinae)." Mammalia 84, no. 4 (2020): 366-371. https://doi.org/10.1515/mammalia-2019-0093 of which two are endangered, seven are vulnerable, and twelve are near threatened.This list is derived from the IUCN Red List which lists species of mammals and includes those mammals that have recently been classified as extinct (since 1500 AD). The taxonomy and naming of the individual species is based on those used in existing Wikipedia articles as of 21 May 2007 and supplemented by the common names and taxonomy from the IUCN, Smithsonian Institution, or University of Michigan where no Wikipedia article was available.

The following tags are used to highlight each species' conservation status as assessed by the International Union for Conservation of Nature: EX Extinct No reasonable doubt that the last individual has died. EW Extinct in the wild Known only to survive in captivity or as a naturalized populations well outside its previous range. CR Critically endangered The species is in imminent risk of extinction in the wild. EN Endangered The species is facing an extremely high risk of extinction in the wild. VU Vulnerable The species is facing a high risk of extinction in the wild. NT Near threatened The species does not meet any of the criteria that would categorise it as risking extinction but it is likely to do so in the future. LC Least concern There are no current identifiable risks to the species. DD Data deficient There is inadequate information to make an assessment of the risks to this species.

Some species were assessed using an earlier set of criteria. Species assessed using this system have the following instead of near threatened and least concern categories: LR/cd Lower risk/conservation dependent Species which were the focus of conservation programmes and may have moved into a higher risk category if that programme was discontinued. LR/nt Lower risk/near threatened Species which are close to being classified as vulnerable but are not the subject of conservation programmes. LR/lc Lower risk/least concern Species for which there are no identifiable risks.

Subclass: Theria

Infraclass: Eutheria

Order: Cingulata (armadillos)

The armadillos are small mammals with a bony armoured shell. They are native to the Americas. There are around 20 extant species.

Family: Dasypodidae (armadillos) Subfamily: Dasypodinae Genus: Dasypus Southern long-nosed armadillo, Dasypus hybridus NT Nine-banded armadillo, Dasypus novemcinctus LC Seven-banded armadillo, Dasypus septemcinctus LC Subfamily: Euphractinae Genus: Chaetophractus Screaming hairy armadillo, Chaetophractus vellerosus LC Big hairy armadillo, Chaetophractus villosus LC Genus: Calyptophractus Greater fairy armadillo, Calyptophractus retusus NT Genus: Chlamyphorus Greater fairy armadillo, Chlamyphorus retusus NT Genus: Euphractus Six-banded armadillo, Euphractus sexcinctus LC Subfamily: Tolypeutinae Genus: Cabassous Chacoan naked-tailed armadillo, Cabassous chacoensis NT Greater naked-tailed armadillo, Cabassous tatouay LC Genus: Priodontes Giant armadillo, Priodontes maximus VU Genus: Tolypeutes Southern three-banded armadillo, Tolypeutes matacus NT

Order: Pilosa (anteaters, sloths and tamanduas)

The order Pilosa is extant only in the Americas and includes the anteaters, sloths, and tamanduas.

Suborder: Folivora Family: Bradypodidae (three-toed sloths) Genus: Bradypus Brown-throated three-toed sloth, B. variegatus Suborder: Vermilingua Family: Myrmecophagidae (American anteaters) Genus: Myrmecophaga Giant anteater, M. tridactyla Genus: Tamandua Southern tamandua, T. tetradactyla

Order: Primates

The order Primates contains humans and their closest relatives: lemurs, lorisoids, monkeys, and apes.

Suborder: Haplorhini Infraorder: Simiiformes Parvorder: Platyrrhini Family: Aotidae Genus: Aotus Azara's night monkey, Aotus azarae LC Family: Atelidae Subfamily: Alouattinae Genus: Alouatta Black howler, Alouatta caraya LC Family: Callithrichidae Genus: Mico Black-tailed marmoset, Mico melanurus LC Family: Cebidae Subfamily: Cebinae Genus: Sapajus Azaras's capuchin, Sapajus cay LC Family: Pitheciidae Subfamily: Callicebinae Genus: Plecturocebus White-coated titi, Plecturocebus pallescens LC

Order: Rodentia (rodents)

Rodents make up the largest order of mammals, with over 40% of mammalian species. They have two incisors in the upper and lower jaw which grow continually and must be kept short by gnawing. Most rodents are small though the capybara can weigh up to .

Suborder: Hystricognathi Family: Erethizontidae (New World porcupines) Subfamily: Erethizontinae Genus: Coendou Brazilian porcupine, Coendou prehensilis LR/lc Paraguaian hairy dwarf porcupine, Coendou spinosus LR/lc Family: Chinchillidae (viscachas and chinchillas) Genus: Lagostomus Plains viscacha, Lagostomus maximus LR/lc Family: Caviidae (guinea pigs) Subfamily: Caviinae Genus: Cavia Brazilian guinea pig, Cavia aperea LR/lc Subfamily: Dolichotinae Genus: Dolichotis Chacoan mara, Dolichotis salinicola LR/nt Subfamily: Hydrochoerinae (capybaras and rock cavies) Genus: Hydrochoerus Capybara, Hydrochoerus hydrochaeris LR/lc Family: Dasyproctidae (agoutis and pacas) Genus: Dasyprocta Azara's agouti, Dasyprocta azarae VU Central American agouti, Dasyprocta punctata LR/lc Family: Cuniculidae Genus: Cuniculus Lowland paca, Cuniculus paca LC Family: Ctenomyidae Genus: Ctenomys Bolivian tuco-tuco, Ctenomys boliviensis LR/lc Conover's tuco-tuco, Ctenomys conoveri LR/lc Chacoan tuco-tuco, Ctenomys dorsalis LR/lc Family: Echimyidae Subfamily: Dactylomyinae Genus: Kannabateomys Atlantic bamboo rat, Kannabateomys amblyonyx LR/lc Subfamily: Eumysopinae Genus: Euryzygomatomys Fischer's guiara, Euryzygomatomys spinosus LR/lc Genus: Proechimys Long-tailed spiny rat, Proechimys longicaudatus LR/lc Genus: Thrichomys Punare, Thrichomys apereoides LR/lc Family: Myocastoridae (coypus) Genus: Myocastor Coypu, Myocastor coypus LR/lc Suborder: Sciurognathi Family: Sciuridae (squirrels) Subfamily: Sciurinae Tribe: Sciurini Genus: Sciurus Brazilian squirrel, Sciurus aestuans LR/lc Family: Cricetidae Subfamily: Sigmodontinae Genus: Akodon Azara's grass mouse, Akodon azarae LR/lc Cursor grass mouse, Akodon cursor LR/lc Blackish grass mouse, Akodon nigrita LR/lc Chaco grass mouse, Akodon toba LR/lc Genus: Andalgalomys Pearson's chaco mouse, Andalgalomys pearsoni LR/lc Genus: Bolomys Hairy-tailed bolo mouse, Bolomys lasiurus LR/lc Genus: Calomys Crafty vesper mouse, Calomys callidus LR/lc Large vesper mouse, Calomys callosus LR/lc Small vesper mouse, Calomys laucha LR/lc Drylands vesper mouse, Calomys musculinus LR/lc Genus: Graomys Gray leaf-eared mouse, Graomys griseoflavus LR/lc Genus: Holochilus Chaco marsh rat, Holochilus chacarius LR/lc Genus: Oecomys Mamore arboreal rice rat, Oecomys mamorae LR/lc Genus: Oligoryzomys Chacoan pygmy rice rat, Oligoryzomys chacoensis LR/lc Small-eared pygmy rice rat, Oligoryzomys microtis LR/lc Black-footed pygmy rice rat, Oligoryzomys nigripes LR/lc Genus: Cerradomys Terraced rice rat, Cerradomys subflavus LR/lc Genus: Sooretamys Paraguayan rice rat, Sooretamys angouya LR/lc Genus: Hylaeamys Azara's broad-headed rice rat, Hylaeamys megacephalus LR/lc Genus: Euryoryzomys Big-headed rice rat, Euryoryzomys russatus LR/lc Elegant rice rat, Euryoryzomys nitidus LR/lc Genus: Oxymycterus Spy hocicudo, Oxymycterus delator LR/lc Genus: Pseudoryzomys Brazilian false rice rat, Pseudoryzomys simplex LR/lc Genus: Scapteromys Waterhouse's swamp rat, Scapteromys tumidus LR/lc

Order: Lagomorpha (lagomorphs)

The lagomorphs comprise two families, Leporidae (hares and rabbits), and Ochotonidae (pikas). Though they can resemble rodents, and were classified as a superfamily in that order until the early 20th century, they have since been considered a separate order. They differ from rodents in a number of physical characteristics, such as having four incisors in the upper jaw rather than two.

Family: Leporidae (rabbits, hares) Genus: Sylvilagus Common tapetí, Sylvilagus brasiliensis EN

Order: Chiroptera (bats)

The bats' most distinguishing feature is that their forelimbs are developed as wings, making them the only mammals capable of flight. Bat species account for about 20% of all mammals.

Family: Noctilionidae Genus: Noctilio Lesser bulldog bat, Noctilio albiventris LR/lc Greater bulldog bat, Noctilio leporinus LR/lc Family: Vespertilionidae Subfamily: Myotinae Genus: Myotis Silver-tipped myotis, Myotis albescens LR/lc Black myotis, Myotis nigricans LR/lc Riparian myotis, Myotis riparius LR/lc Red myotis, Myotis ruber VU Velvety myotis, Myotis simus LR/lc Subfamily: Vespertilioninae Genus: Eptesicus Brazilian brown bat, Eptesicus brasiliensis LR/lc Diminutive serotine, Eptesicus diminutus LR/lc Argentine brown bat, Eptesicus furinalis LR/lc Big brown bat, Eptesicus fuscus LR/lc Genus: Histiotus Tropical big-eared brown bat, Histiotus velatus LR/lc Genus: Lasiurus Desert red bat, Lasiurus blossevillii LR/lc Hoary bat, Lasiurus cinereus LR/lc Southern yellow bat, Lasiurus ega LR/lc Family: Molossidae Genus: Cynomops Cinnamon dog-faced bat, Cynomops abrasus LR/nt Southern dog-faced bat, Cynomops planirostris LR/lc Genus: Eumops Dwarf bonneted bat, Eumops bonariensis LR/lc Big bonneted bat, Eumops dabbenei LR/lc Wagner's bonneted bat, Eumops glaucinus LR/lc Western mastiff bat, Eumops perotis LR/lc Genus: Molossops Dwarf dog-faced bat, Molossops temminckii LR/lc Genus: Molossus Black mastiff bat, Molossus ater LR/lc Velvety free-tailed bat, Molossus molossus LR/lc Genus: Nyctinomops Peale's free-tailed bat, Nyctinomops aurispinosus LR/lc Broad-eared bat, Nyctinomops laticaudatus LR/lc Big free-tailed bat, Nyctinomops macrotis LR/lc Genus: Promops Big crested mastiff bat, Promops centralis LR/lc Brown mastiff bat, Promops nasutus LR/lc Genus: Tadarida Mexican free-tailed bat, Tadarida brasiliensis LR/nt Family: Emballonuridae Genus: Peropteryx Lesser doglike bat, Peropteryx macrotis LR/lc Family: Phyllostomidae Subfamily: Phyllostominae Genus: Chrotopterus Big-eared woolly bat, Chrotopterus auritus LR/lc Genus: Lophostoma White-throated round-eared bat, Lophostoma silvicolum LR/lc Genus: Macrophyllum Long-legged bat, Macrophyllum macrophyllum LR/lc Genus: Micronycteris Little big-eared bat, Micronycteris megalotis LR/lc Genus: Phyllostomus Pale spear-nosed bat, Phyllostomus discolor LR/lc Greater spear-nosed bat, Phyllostomus hastatus LR/lc Genus: Tonatia Greater round-eared bat, Tonatia bidens LR/lc Subfamily: Glossophaginae Genus: Glossophaga Pallas's long-tongued bat, Glossophaga soricina LR/lc Subfamily: Carolliinae Genus: Carollia Seba's short-tailed bat, Carollia perspicillata LR/lc Subfamily: Stenodermatinae Genus: Artibeus Fringed fruit-eating bat, Artibeus fimbriatus LR/nt Jamaican fruit bat, Artibeus jamaicensis LR/lc Great fruit-eating bat, Artibeus lituratus LR/lc Flat-faced fruit-eating bat, Artibeus planirostris LR/lc Genus: Pygoderma Ipanema bat, Pygoderma bilabiatum LR/nt Genus: Sturnira Little yellow-shouldered bat, Sturnira lilium LR/lc Genus: Vampyressa Southern little yellow-eared bat, Vampyressa pusilla LR/lc Genus: Platyrrhinus White-lined broad-nosed bat, Platyrrhinus lineatus LR/lc Subfamily: Desmodontinae Genus: Desmodus Common vampire bat, Desmodus rotundus LR/lc

Order: Carnivora (carnivorans)