Dinomyidae: Difference between revisions
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'''Dinomyidae''' |
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 [[pacarana]]. Several of the extinct dinomyids were among the largest rodents known to date, the [[bison]]-sized ''[[Josephoartigasia monesi]]''<ref>{{cite journal | laysummary = http://journals.royalsociety.org/content/34j867846u164624/ | title = The largest fossil rodent | doi = 10.1098/rspb.2007.1645 | url = http://journals.royalsociety.org/content/34j867846u164624/fulltext.pdf | format = pdf | 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)| accessdate = 2008-01-16 | volume = 275 | pages = 923–8 | pmid = 18198140 | issue = 1637 | pmc = 2599941}}</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 | issue = | pages = 89–100}}</ref> The dinomyids are thought to have occupied [[ecological niche]]s associated with large grazing mammals due to the lack of true [[ungulate]]s in South America until its later [[Great American Interchange|connection]] to North America. The modern pacarana is only modest in size, considerably smaller than the [[capybara]]. |
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[[Neoepiblemidae]], an entirely extinct family, may actually be part of 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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==Genera== |
==Genera== |
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Revision as of 15:42, 18 September 2016
| 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 pacarana. Several of the extinct dinomyids were among the largest rodents known to date, 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 the lack of true ungulates in South America until its later connection to North America. The modern pacarana is only modest in size, considerably smaller than the capybara.
The Neoepiblemidae, an entirely extinct family, may actually be part of the Dinomyidae; both groups are undoubtedly closely related.
Genera
- Family Dinomyidae
- †Pseudodiodomus incertae sedis
- †Agnomys incertae sedis
- Subfamily Eumegamyinae
- Subfamily Potamarchinae
- Subfamily Dinomyinae
References
- ^ Rinderknecht, Andrés; R. Ernesto Blanco (2008-01-15). "The largest fossil rodent" (pdf). Proceedings of the Royal Society B: Biological Sciences. 275 (1637): 923–8. doi:10.1098/rspb.2007.1645. PMC 2599941. PMID 18198140. Retrieved 2008-01-16.
Josephoartigasia monesi sp. nov. (family: Dinomyidae; Rodentia: Hystricognathi: Caviomorpha)
{{cite journal}}: Unknown parameter|laysummary=ignored (help) - ^ 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.