Viverrinae
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The Viverrinae represent the largest
subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...
within the
Viverridae Viverridae is a family of small to medium-sized, feliform mammals. The viverrids () comprise 33 species placed in 14 genera. This family was named and first described by John Edward Gray in 1821. Viverrids occur all over Africa, southern Europe, ...
comprising five
genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...
, which are subdivided into 22
species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
native to Africa and Southeast Asia. This subfamily was denominated and first described by
John Edward Gray John Edward Gray, FRS (12 February 1800 – 7 March 1875) was a British zoologist. He was the elder brother of zoologist George Robert Gray and son of the pharmacologist and botanist Samuel Frederick Gray (1766–1828). The same is used for ...
in 1864.Gray, J. E. (1864)
''A revision of the genera and species of viverrine animals (Viverridae), founded on the collection in the British Museum''
Proceedings of the Zoological Society of London for the year 1864: 502–579.


Classification

Gray defined the Viverrinae as comprising the genera ''
Proteles ''Proteles'' is a genus of distinctive hyenas which contain the aardwolf ''(Proteles cristatus)'' and its close fossil relatives. It is the only genus of the subfamily Protelinae. While the oldest fossils definitely belonging to ''Proteles'' date ...
'', ''
Viverra ''Viverra'' is a mammalian genus that was first nominated and described by Carl Linnaeus in 1758 as comprising several species including the large Indian civet (''V. zibetha''). The genus was subordinated to the viverrid family by John Edward G ...
'', ''Bassaris'' and '' Viverricula''. He subordinated the genera '' Genetta'' and ''Fossa'' to the Genettina, the genera ''
Prionodon The Asiatic linsang (''Prionodon'') is a genus comprising two species native to Southeast Asia: the banded linsang (''Prionodon linsang'') and the spotted linsang (''Prionodon pardicolor''). ''Prionodon'' is considered a sister taxon of the Fel ...
'' and ''Poiana'' to the
Prionodontinae The Asiatic linsang (''Prionodon'') is a genus comprising two species native to Southeast Asia: the banded linsang (''Prionodon linsang'') and the spotted linsang (''Prionodon pardicolor''). ''Prionodon'' is considered a sister taxon of the Fel ...
.
Reginald Innes Pocock Reginald Innes Pocock F.R.S. (4 March 1863 – 9 August 1947) was a British zoologist. Pocock was born in Clifton, Bristol, the fourth son of Rev. Nicholas Pocock and Edith Prichard. He began showing interest in natural history at St. Edward ...
suggested that the African genets (''Genetta'') are also most nearly related to the Viverrinae, but should perhaps form a separate subfamily.Pocock, R. I. (1939)
''The fauna of British India, including Ceylon and Burma. Mammalia. – Volume 1''
Taylor and Francis, London.
William King Gregory William King Gregory (May 19, 1876 – December 29, 1970) was an American zoologist, renowned as a primatologist, paleontologist, and functional and comparative anatomist. He was an expert on mammalian dentition, and a leading contributor t ...
and Milo Hellman placed the ''Viverra'', ''Viverricula'', ''Civettictis'', ''Genetta'', ''
Osbornictis The aquatic genet (''Genetta piscivora'') is a genet that has only been recorded in the northeast of the Democratic Republic of the Congo.Van Rompaey, H. and Colyn, M. (2013). ''Genetta piscivora'' Aquatic Genet. In: J. Kingdon and M. Hoffmann ( ...
'', ''Poiana'' and the
North-America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
n eu creodine genera ''
Didymictis ''Didymictis'' ("double weasel") is an extinct genus of placental mammals from extinct subfamily Didymictinae within extinct family Viverravidae, that lived in North America and Europe from the late Paleocene to middle Eocene. Description ''Didy ...
'' and ''Viverravus'' of the
Eocene The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene' ...
into this viverrid subfamily.Gregory, W. K., and M. Hellman. (1939)
''On the evolution and major classification of the civets (Viverridae) and allied fossil and recent Carnivora: Phylogenetic study of the skull and dentition''
Proceedings of the American Philosophical Society 81 (3): 309–392.
Ellerman and Morrison-Scott also included the genus ''
Prionodon The Asiatic linsang (''Prionodon'') is a genus comprising two species native to Southeast Asia: the banded linsang (''Prionodon linsang'') and the spotted linsang (''Prionodon pardicolor''). ''Prionodon'' is considered a sister taxon of the Fel ...
''.Ellerman, J. R., Morrison-Scott, T. C. S. (1966)
''Checklist of Palaearctic and Indian mammals 1758 to 1946''
Second edition. British Museum of Natural History, London.
DNA analysis Genetic testing, also known as DNA testing, is used to identify changes in DNA sequence or chromosome structure. Genetic testing can also include measuring the results of genetic changes, such as RNA analysis as an output of gene expression, or ...
based on 29
Carnivora Carnivora is a Clade, monophyletic order of Placentalia, placental mammals consisting of the most recent common ancestor of all felidae, cat-like and canidae, dog-like animals, and all descendants of that ancestor. Members of this group are f ...
species comprising 13 Viverrinae species and three species representing ''
Paradoxurus ''Paradoxurus'' is a genus of three palm civets within the viverrid family that was denominated and first described by Frédéric Cuvier in 1822. The ''Paradoxurus'' species have a broad head, a narrow muzzle with a large rhinarium that is deep ...
'', ''
Paguma The masked palm civet (''Paguma larvata''), also called the gem-faced civet, is a palm civet species native to the Indian subcontinent and Southeast Asia. It has been listed as least concern on the IUCN Red List since 2008 as it occurs in many p ...
'' and
Hemigalinae The Hemigalinae are a subfamily of the viverrids denominated and first described by John Edward Gray in 1864. Hemigalinae species are native to Southeast Asia from southern China through Indochina, Malay Peninsula to Sumatra, Borneo and Sulawesi ...
supports the placement of ''Prionodon'' in the
monogeneric In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
family Prionodontidae as the sister-group of the ''
Felidae Felidae () is the family of mammals in the order Carnivora colloquially referred to as cats, and constitutes a clade. A member of this family is also called a felid (). The term "cat" refers both to felids in general and specifically to the ...
''. These investigations also clarified the controversial issue of the boundaries of this subfamily supporting the Viverrinae as being constituted by two
monophyletic In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic gro ...
groups, namely the terrestrial civets ''Civettictis''–''Viverra''–''Viverricula'' and ''Poiana''–''Genetta''. At present, the Viverrinae comprise:


Characteristics

Viverrina species have a robust body. There is a deep pouch for secreting in the form of a deep cavity on each side of the
anus The anus (Latin, 'ring' or 'circle') is an opening at the opposite end of an animal's digestive tract from the mouth. Its function is to control the expulsion of feces, the residual semi-solid waste that remains after food digestion, which, d ...
. The back of the hind feet is hairy except the pad of the toes and the
metatarsus The metatarsal bones, or metatarsus, are a group of five long bones in the foot, located between the tarsal bones of the hind- and mid-foot and the phalanges of the toes. Lacking individual names, the metatarsal bones are numbered from the med ...
. The
digitigrade In terrestrial vertebrates, digitigrade () locomotion is walking or running on the toes (from the Latin ''digitus'', 'finger', and ''gradior'', 'walk'). A digitigrade animal is one that stands or walks with its toes (metatarsals) touching the groun ...
feet are adapted for movement on the ground. The cushion-like indistinctly subdivided
plantar Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position prov ...
pad and the pads of digits 2 to 4 are alone applied to the ground. The first digit is small and set well above the plantar pad, and constitutes a practically functionless " dew-claw". The
dental formula Dentition pertains to the development of teeth and their arrangement in the mouth. In particular, it is the characteristic arrangement, kind, and number of teeth in a given species at a given age. That is, the number, type, and morpho-physiolo ...
is: . The outstanding characteristics of the modern Viverrinae are the high development of the perineal scent glands, the marked
anteroposterior Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position prov ...
elongation of the ento tympanic chamber of the compound bulla and the
carnassial Carnassials are paired upper and lower teeth modified in such a way as to allow enlarged and often self-sharpening edges to pass by each other in a shearing manner. This adaptation is found in carnivorans, where the carnassials are the modified f ...
form of the cheek-teeth. They have excellent hearing and vision. Their flesh-shearing
carnassial Carnassials are paired upper and lower teeth modified in such a way as to allow enlarged and often self-sharpening edges to pass by each other in a shearing manner. This adaptation is found in carnivorans, where the carnassials are the modified f ...
teeth are relatively undeveloped. Viverrids are amongst the primitive families of the
Carnivora Carnivora is a Clade, monophyletic order of Placentalia, placental mammals consisting of the most recent common ancestor of all felidae, cat-like and canidae, dog-like animals, and all descendants of that ancestor. Members of this group are f ...
, with skeletons very similar to those of
fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...
s dating back to the
Eocene The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene' ...
, up to 50 million years ago. They are variable in form, but generally resemble long-nosed cats. Most have retractile or partially retractile
claw A claw is a curved, pointed appendage found at the end of a toe or finger in most amniotes (mammals, reptiles, birds). Some invertebrates such as beetles and spiders have somewhat similar fine, hooked structures at the end of the leg or tarsus ...
s, a
baculum The baculum (also penis bone, penile bone, or ''os penis'', ''os genitale'' or ''os priapi'') is a bone found in the penis of many placental mammals. It is absent from the human penis, but present in the penises of some primates, such as the ...
. The Viverrinae range in size from the African linsang with a body length of and a weight of to the
African civet The African civet (''Civettictis civetta'') is a large viverrid native to sub-Saharan Africa, where it is considered common and widely distributed in woodlands and secondary forests. It is listed as Least Concern on the IUCN Red List since 2008 ...
at and .


Distribution and ecology

This subfamily is found throughout the
Orient The Orient is a term for the East in relation to Europe, traditionally comprising anything belonging to the Eastern world. It is the antonym of ''Occident'', the Western World. In English, it is largely a metonym for, and coterminous with, the c ...
al region, and is represented in Africa by the African civet (''Civettictis civetta''). The
common genet The common genet (''Genetta genetta'') is a small viverrid indigenous to Africa that was introduced to southwestern Europe. It is widely distributed north of the Sahara, in savanna zones south of the Sahara to southern Africa and along the coa ...
(''Genetta genetta'') is considered to have been introduced to Europe and the
Balearic islands The Balearic Islands ( es, Islas Baleares ; or ca, Illes Balears ) are an archipelago in the Balearic Sea, near the eastern coast of the Iberian Peninsula. The archipelago is an autonomous community and a province of Spain; its capital is ...
, and occurs in all of continental Portugal, Spain and most of France.Delibes, M. (1999). ''Genetta genetta''. In: A. J. Mitchell-Jones, G. Amori, W. Bogdanowicz, B. Kryštufek, P. J. H. Reijnders, F. Spitzenberger, M. Stubbe, J. B. M. Thissen, V. Vohralík, and J. Zima (eds.) ''The Atlas of European Mammals''. Academic Press, London, UK They are generally solitary and
omnivorous An omnivore () is an animal that has the ability to eat and survive on both plant and animal matter. Obtaining energy and nutrients from plant and animal matter, omnivores digest carbohydrates, protein, fat, and fiber, and metabolize the nutri ...
, despite their placement in the order Carnivora.


References

{{Taxonbar, from=Q198350 Viverrids Taxa named by John Edward Gray