†Eocastoroides †Steneofiber †Neatocastor †Asiacastor †Youngofiber †Trogontherium †Eucastor †Schreuderia †Dipoides †Boreofiber †Romanocastor †Zamolxifiber †Procastoroides †Castoroides †Paradipoides †Agnotocastor †Capacikala †Pseudopalaeocastor †Fossorcastor †Euhapsis †Propalaeocastor †Palaeomys †Palaeocastor †Hystricops Castor The Eocene epoch (56-34 MYA) is a major division of the geologic timescale and the second epoch of the Palaeogene period in the Cenozoic era. ... Public domain picture from U.S. Fish and Wildlife Service File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Binomial name Castor canadensis Kuhl, 1820 The American Beaver (Castor canadensis) is a large semi-aquatic rodent native to Canada, most of the United States and parts of northern Mexico. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anenomes) Placozoa (trichoplax) Subregnum Bilateria (bilateral symmetry) Acoelomorpha (basal) Orthonectida (flatworms, echinoderms, etc. ... Typical Classes Subphylum Urochordata - Tunicates Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Orders Subclass Multituberculata (extinct) Plagiaulacida Cimolodonta Subclass Palaeoryctoides (extinct) Subclass Triconodonta (extinct) Subclass Eutheria (includes extinct ancestors)/Placentalia (excludes extinct ancestors) Afrosoricida Artiodactyla Carnivora Cetacea Chiroptera Cimolesta (extinct) Creodonta (extinct) Condylarthra (extinct) Dermoptera Desmostylia (extinct) Embrithopoda (extinct) Hyracoidea Insectivora Lagomorpha Litopterna (extinct) Macroscelidea Mesonychia (extinct) Notoungulata (extinct) Perissodactyla Pholidota Plesiadapiformes... Families Many, see text The order Rodentia is the most numerous of all the branches on the mammal family tree. ... Infraorders Anomaluromorpha Castorimorpha Ctenodactylomorpha Geomorpha Glirimorpha Myodonta Sciurida Sciurognathi is a suborder of rodents that includes squirrels, chipmunks, beavers, and many types of mice. ... See genus (mathematics) for the use of the term in mathematics. ... Castoroides is an extinct genus of giant beavers that lived in North America during the Pleistocene. ... Species C. canadensis C. fiber Beavers are semi-aquatic rodents native to North America and Europe. ...
The family Castoridae contains the two living species of beaver and their fossil relatives. This was once a highly diverse group of rodents, but is now restricted to a single genus, Castor. Species C. canadensis C. fiber Beavers are semi-aquatic rodents native to North America and Europe. ... A fossil Ammonite Fossils are the mineralized remains of animals or plants or other traces such as footprints. ... Families See Classification Section The order Rodentia is the most numerous of all the branches on the mammal family tree. ... Species C. canadensis C. fiber Beavers are semi-aquatic rodents native to North America and Europe. ...
Taxonomy
The following taxonomy is based on McKenna and Bell (1997).
Incertae sedis—of uncertain position (seat)—is a term used to define a taxonomic group where its broader relationships are unknown or undefined. ... Castoroides is an extinct genus of giant beavers that lived in North America during the Pleistocene. ... Species C. canadensis C. fiber Beavers are semi-aquatic rodents native to North America and Europe. ...
References
McKenna, Malcolm C., and Bell, Susan K. 1997. Classification of Mammals Above the Species Level. Columbia University Press, New York, 631 pp. ISBN 0-231-11013-8
Sciuromorpha: †Allomyidae | Aplodontiidae | †Mylagaulidae | †Reithroparamyidae | Sciuridae | Gliridae Species C. canadensis C. fiber Beavers are semi-aquatic rodents native to North America and Europe. ... Families See Classification Section The order Rodentia is the most numerous of all the branches on the mammal family tree. ... Infraorders Anomaluromorpha Castorimorpha Ctenodactylomorpha Geomorpha Glirimorpha Myodonta Sciurida Sciurognathi is a suborder of rodents that includes squirrels, chipmunks, beavers, and many types of mice. ... Binomial name Aplodontia rufa Richardson, 1829 The Mountain Beaver (Aplodontia rufa) is a rodent unrelated to beavers and that is not usually found in mountainous areas. ... Genera Many: see text. ... Subfamilies and Genera Graphiurinae Graphiurus Leithiinae Dryomys Eliomys Hypnomys Myomimus Selevinia Myoxinae Glirulus Muscardinus Glis Dormice are a type of rodent indigenous to the eastern hemisphere comprising the family Gliridae. ...
Castorimorpha: †Eutypomyidae | Castoridae | †Rhizospalacidae | †Eomyidae | †Heliscomyidae | †Mojavemyidae | Heteromyidae | Geomyidae SubFamilies Dipodomyinae Heteromyinae Perognathinae Most Heteromyidae live in complex burrows within the deserts and grasslands of western North America, though species within the Heteromys and Liomys genera are also found in forests and extend down as far as northern South America. ... Genera see text The pocket gophers are burrowing rodents of the family Geomyidae. ...
Myomorpha: †Armintomidae | Dipodidae | Zapodidae | †Anomalomyidae | †Simimyidae | Platacanthomyidae | Spalacidae | Calomyscidae | Nesomyidae | Cricetidae | Muridae Suborder Myomorpha contains nearly a quarter of all mammal species. ... Genera 10 genera in 5 subfamilies A jerboa is a small jumping desert rodent of Asia and northern Africa that resembles a mouse with a long tufted tail and very long hind legs. ... The Meadow Jumping Mouse has yellow/tawny coloured sides, and a brown back. ... Genera see text Platacanthomyinae is the only subfamily in the family Platacanthomyidae. ... Subfamilies see text Spalacidae is a family of rodents in the large and complex superfamily Muroidea. ... Species see text Mouse-like hamsters are a group of small rodents found in Syria, Azerbaijan, Iran, Turkmenistan, Afghanistan, and Pakistan. ... Subfamilies see text Nesomyidae is a family of rodents in the large and complex superfamily Muroidea. ... Subfamilies see text Cricetidae is a family of rodents in the large and complex superfamily Muroidea. ... Subfamilies See text Muridae is the largest family of mammals. ...
Anomaluromorpha: Anomaluridae | †Parapedetidae | Pedetidae Genera Anomalurus, Idiurus, Zenkerella The Anomaluridae or scaly-tailed flying squirrels are a family of rodents found in central Africa. ... Binomial name Pedetes capensis (Coe, 1969) The Springhare, or Springhaas (Pedetes capensis) is not actually a hare, but a member of the order Rodentia; it is the only species in its family Pedetidae. ...
Hystricomorpha: †Tamquammyidae | Ctenodactylidae | †Diatomyidae | †Yuomyidae | †Chapattimyidae | †Tsaganomyidae | †"Baluchimyinae" | Laonastidae | †Bathyergoididae | Bathyergidae | Hystricidae | †Myophiomyidae | †Diamantomyidae | †Phiomyidae | †Kenyamyidae | Petromuridae | Thryonomyidae | Erethizontidae | Chinchillidae | Dinomyidae | Caviidae | Dasyproctidae | †Eocardiidae | Cuniculidae | †Amblyrhizidae | Ctenomyidae | Octodontidae | †Neoepiblemidae | Abrocomidae | Echimyidae | Myocastoridae | Capromyidae | †Heptaxodontidae Binomial name Laonastes aenigmamus (Jenkins, Kilpatrick, Robinson, Timmins, 2005) The kha-nyou or Laotian rock rat (Laonastes aenigmamus) is a rodent from the Khammouan region of Laos. ... Genera Georychus Cryptomys Heliophobius Bathyergus Heterocephalus The blesmols, also known as mole rats, or African mole-rats, are burrowing rodents of the family Bathyergidae. ... Genera Atherurus Hystrix Thecurus Trichys The Old World porcupines are large representatives of the terrestrial rodent mammals, distinguished by their spiny covering from which they take their name. ... Species Thryonomys gregorianus (Lesser Cane Rat) Thryonomys swinderianus (Greater Cane Rat) The genus Thryonomys, also know as cane rats, is a genus of rodent found in Africa south of the Sahara. ... Genera Coendou Sphiggurus Erethizon Echinoprocta The New World porcupines are large terrestrial rodents, distinguished by their spiny covering from which they take their name. ... Genera Chinchilla Lagidium Lagostomus Chinchillas and their relatives viscachas are small, nocturnal mammals native to the Andes mountains in South America and belonging to the family Chinchillidae. ... The pacarana (Dinomys branickii) is a rare and slow-moving South American rodent found only in tropical forests of the western Amazon River basin and adjacent foothills of the Andes Mountains from northwestern Venezuela and Colombia to western Bolivia. ... Subfamilies Caviinae Dolichotinae The Cavy (family Caviidae) is divided in two subfamilies: Subfamily Caviinae: cavies and guinea pigs Genus Cavia, this genus is especially called cavy. ... Genera Dasyprocta Myoprocta Agouti The Dasyproctidae are a family of South American rodents, comprising three genera. ... Species Agouti paca Agouti taczanowskii Species Paca, Agouti paca Mountain Paca, Agouti taczanowskii Categories: Stub | Rodents ... The tuco-tucos are members of a group of rodents that belong to the family Ctenomyidae. ... Genera Octodon Octodontomys Octomys Spalacopus Aconaemys Pipanacoctomys Salinoctomys Tympanoctomys The Octodontidae are a family of South American rodents. ... Binomial name Myocastor coypus (Molina, 1782) The coypu or nutria (Myocastor coypus) is a large, crepuscular, semiaquatic rodent native to South America, but now also present in Europe, Asia, and North America. ... Genera Capromys Geocapromys Mesocapromys Hutias are cavy-like rodents that inhabits the Caribbean Islands. ... Genera Amblyrhiza Clidomys Elasmodontomys Quemsia The giant hutias are an extinct group of large rodents known from fossil and subfossil material in the West Indies. ...
Infraorders Anomaluromorpha Castorimorpha Ctenodactylomorpha Geomorpha Glirimorpha Myodonta Sciurida Sciurognathi is a suborder of rodents that includes squirrels, chipmunks, beavers, and many types of mice.
Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms.
Several molecular phylogenetic studies have used gene sequences to determine the relationships among rodents, but these studies are yet to produce a single consistent and well-supported taxonomy.
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