Dasyproctidae is a family of large
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...
n
rodent
Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are na ...
s, comprising the
agouti
The agouti (, ) or common agouti is any of several rodent species of the genus ''Dasyprocta''. They are native to Middle America, northern and central South America, and the southern Lesser Antilles. Some species have also been introduced else ...
s and
acouchi
The acouchis (genus ''Myoprocta'') are rodents belonging to the family Dasyproctidae from the Amazon basin. They are generally smaller than agoutis and have very short tails (5 to 7 cm), while agoutis lack tails. For this reason the acouchis ...
s.
Their fur is a reddish or dark colour above, with a paler underside. They are
herbivorous, often feeding on ripe
fruit
In botany, a fruit is the seed-bearing structure in flowering plants that is formed from the ovary after flowering.
Fruits are the means by which flowering plants (also known as angiosperms) disseminate their seeds. Edible fruits in particu ...
that falls from trees. They live in burrows, and, like
squirrel
Squirrels are members of the family Sciuridae, a family that includes small or medium-size rodents. The squirrel family includes tree squirrels, ground squirrels (including chipmunks and prairie dogs, among others), and flying squirrels. Squ ...
s, will bury some of their food for later use.
Dasyproctids exist in Central and South America, which are the tropical parts of the New World. The fossil record of this family can be traced back to the Late Oligocene (
Deseadan The Deseadan ( es, Deseadense) age is a period of geologic time (29.0–21.0 Ma) within the Oligocene epoch of the Paleogene to the Early Miocene epoch of the Neogene, used more specifically within the SALMA classification of South America. It fo ...
in the
SALMA classification).
As with all rodents, members of this family have incisors, pre-molars, and molars, but no canines. The cheek teeth are
hypsodont and flat-crowned.
Classification
Fossil taxa follow McKenna and Bell,
with modifications following Kramarz.
* Family Dasyproctidae
** Genus †''
Alloiomys''
** Genus †''
Australoprocta''
** Genus †''
Branisamys''
** Genus †''
Incamys
''Incamys'' is an extinct genus of chinchillid rodent that lived during the Late Oligocene ( Deseadan) in what is now South America. Fossils of this genus have been found in the Salla Formation of Bolivia and the Agua de la Piedra and Sarmiento ...
''
** Genus †''
Neoreomys''
** Genus †''
Megastus''
** Genus †''
Palmiramys''
** Genus ''
Dasyprocta''
***
Azara's agouti
Azara's agouti (''Dasyprocta azarae'') is an agouti species from the family Dasyproctidae. Found in Brazil, Paraguay, and Argentina, it is named after Spanish naturalist Félix de Azara
Félix Manuel de Azara y Perera (18 May 1746 – 20 Octo ...
, ''D. azarae''
***
Coiban agouti, ''D. coibae''
***
Crested agouti, ''D. cristata''
***
Black agouti, ''D. fuliginosa''
***
Orinoco agouti, ''D. guamara''
***
Kalinowski's agouti
Kalinowski's agouti (''Dasyprocta kalinowskii'') is a species of rodent in the family Dasyproctidae. It is endemic to southeast Peru. It occurs at elevations of up to asl. It is threatened by habitat loss
Habitat destruction (also termed h ...
, ''D. kalinowskii''
***
Red-rumped agouti, ''D. leporina''
***
Mexican agouti
The Mexican agouti (''Dasyprocta mexicana''), also known as the Mexican black agouti, is a species of rodent in the family Dasyproctidae. It is native to lowland evergreen forest and second growth in southern Mexico (Veracruz, Oaxaca, Chiapas an ...
, ''D. mexicana''
***
Black-rumped agouti, ''D. prymnolopha''
***
Central American agouti
The Central American agouti (''Dasyprocta punctata'') is a species of agouti from the family Dasyproctidae. The main portion of its range is from Chiapas and the Yucatan Peninsula (southern Mexico), through Central America, to northwestern Ecuad ...
, ''D. punctata''
***
Ruatan Island agouti
The Ruatan Island agouti (''Dasyprocta ruatanica''), also called the Roatán Island agouti, is a species of agouti in the family Dasyproctidae. Distribution
It is endemic to the island of Roatán, off the north coast of Honduras. Taxonomy
Ther ...
, ''D. ruatanica''
** Genus ''
Myoprocta''
***
Green acouchi, ''M. pratti''
***
Red acouchi, ''M. acouchy''
The
paca
A paca is a member of the genus ''Cuniculus'' of ground-dwelling, herbivorous rodents in South and Central America. It is the only genus in the family Cuniculidae. Pacas are large rodents with dots and stripes on their sides, short ears, and ...
s (genus ''Cuniculus'') are placed by some authorities
in Dasyproctidae, but molecular studies have demonstrated they do not form a monophyletic group.
References
External links
Central American agouti at SmithsonianDasyproctidae at Animaldiversity.org2014 - Figueira et al. - Carrion consumption by Dasyprocta leporina (Rodentia: Dasyproctidae) and a review of meat use by agoutis
{{Taxonbar, from=Q267132
Hystricognath rodents
Rodent families
Extant Chattian first appearances
Mammals described in 1825