Dinomyidae: Difference between revisions
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The '''Dinomyidae''' are a [[family (biology)|family]] of [[South America]]n [[hystricognath]] [[rodent]]s: the dinomyids were once a very speciose group, but now contains only a single living species, the [[capybara]]. Several of the extinct dinomyids were among the largest rodents known to date; these included the [[bison]]-sized ''[[Josephoartigasia monesi]]''<ref>{{cite journal|lay-url= |title=The largest fossil rodent |doi=10.1098/rspb.2007.1645 |url= |last=Rinderknecht |first=Andrés |author2=R. Ernesto Blanco |date=2008-01-15 |journal=Proceedings of the Royal Society B: Biological Sciences |quote=''Josephoartigasia monesi'' sp. nov. (family: Dinomyidae; Rodentia: Hystricognathi: Caviomorpha) |volume=275 |pages=923–8 |pmid=18198140 |issue=1637 |pmc=2599941 }}{{dead link|date=December 2016 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> and the smaller ''[[Josephoartigasia magna]]''.<ref name=Francis&Mones>{{cite journal | author = Francis, J.C. and [[Álvaro Mones|A. Mones]] | year = 1966 | title = ''Artigasia magna'' n. g., n. sp. (Eumegamyinae), un roedor gigantesco de la época Pliocena Superior de las Barrancas de San Gregorio, Departamento de San José, República Oriental del Uruguay | journal = Kraglievana | volume = 3 | pages = 89–100}}</ref> The dinomyids are thought to have occupied [[ecological niche]]s associated with large grazing mammals due to their ability to compete with the [[Meridiungulata|native ungulate]]s of South America. These large forms disappeared after the formation of a [[Great American Interchange|connection]] to North America. The modern |
The '''Dinomyidae''' are a [[family (biology)|family]] of [[South America]]n [[hystricognath]] [[rodent]]s: the dinomyids were once a very speciose group, but now contains only a single living species, the [[capybara]]. Several of the extinct dinomyids were among the largest rodents known to date; these included the [[bison]]-sized ''[[Josephoartigasia monesi]]''<ref>{{cite journal|lay-url= |title=The largest fossil rodent |doi=10.1098/rspb.2007.1645 |url= |last=Rinderknecht |first=Andrés |author2=R. Ernesto Blanco |date=2008-01-15 |journal=Proceedings of the Royal Society B: Biological Sciences |quote=''Josephoartigasia monesi'' sp. nov. (family: Dinomyidae; Rodentia: Hystricognathi: Caviomorpha) |volume=275 |pages=923–8 |pmid=18198140 |issue=1637 |pmc=2599941 }}{{dead link|date=December 2016 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> and the smaller ''[[Josephoartigasia magna]]''.<ref name=Francis&Mones>{{cite journal | author = Francis, J.C. and [[Álvaro Mones|A. Mones]] | year = 1966 | title = ''Artigasia magna'' n. g., n. sp. (Eumegamyinae), un roedor gigantesco de la época Pliocena Superior de las Barrancas de San Gregorio, Departamento de San José, República Oriental del Uruguay | journal = Kraglievana | volume = 3 | pages = 89–100}}</ref> The dinomyids are thought to have occupied [[ecological niche]]s associated with large grazing mammals due to their ability to compete with the [[Meridiungulata|native ungulate]]s of South America. These large forms disappeared after the formation of a [[Great American Interchange|connection]] to North America. The modern capybara is only modest in size, considerably smaller than the [[guinea pig]]. |
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The [[Neoepiblemidae]], an entirely extinct family, may actually be part of the Dinomyidae; both groups are undoubtedly closely related. |
The [[Neoepiblemidae]], an entirely extinct family, may actually be part of the Dinomyidae; both groups are undoubtedly closely related. |
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Revision as of 11:59, 29 June 2021
| Dinomyidae Temporal range:
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| Josephoartigasia | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Superfamily: | Chinchilloidea |
| Family: | Dinomyidae Peters, 1873 |
| Genera | |
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See text | |
The Dinomyidae are a family of South American hystricognath rodents: the dinomyids were once a very speciose group, but now contains only a single living species, the capybara. Several of the extinct dinomyids were among the largest rodents known to date; these included the bison-sized Josephoartigasia monesi[1] and the smaller Josephoartigasia magna.[2] The dinomyids are thought to have occupied ecological niches associated with large grazing mammals due to their ability to compete with the native ungulates of South America. These large forms disappeared after the formation of a connection to North America. The modern capybara is only modest in size, considerably smaller than the guinea pig.
The Neoepiblemidae, an entirely extinct family, may actually be part of the Dinomyidae; both groups are undoubtedly closely related.
Genera
- Family: Dinomyidae
- †Agnomys incertae sedis
- †Borikenomys - incertae sedis?
- †Pseudodiodomus incertae sedis
- Subfamily: Dinomyinae
- Subfamily: †Eumegamyinae
- Subfamily: †Potamarchinae
References
- ^ Rinderknecht, Andrés; R. Ernesto Blanco (2008-01-15). "The largest fossil rodent". Proceedings of the Royal Society B: Biological Sciences. 275 (1637): 923–8. doi:10.1098/rspb.2007.1645. PMC 2599941. PMID 18198140.
Josephoartigasia monesi sp. nov. (family: Dinomyidae; Rodentia: Hystricognathi: Caviomorpha)
{{cite journal}}: Cite has empty unknown parameter:|lay-url=(help)[permanent dead link] - ^ Francis, J.C. and A. Mones (1966). "Artigasia magna n. g., n. sp. (Eumegamyinae), un roedor gigantesco de la época Pliocena Superior de las Barrancas de San Gregorio, Departamento de San José, República Oriental del Uruguay". Kraglievana. 3: 89–100.
- ^ Mones, A. (2007). "Josephoartigasia, Nuevo nombre para Artigasia Francis & Mones, 1966 (Rodentia, Dinomyidae), non Artigasia Christie, 1934 (Nematoda, Thelastomatidae)". Comun. Paleontol. Mus. Hist. Nat. Montevideo. 36: 213–214.
- McKenna, Malcolm C.; Bell, Susan K. (1997). Classification of Mammals Above the Species Level. New York: Columbia University Press. p. 631 pp. ISBN 0-231-11013-8.