Nanosiren: Difference between revisions
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The species was described and named by Daryl P. Domning of Howard University and Orangel A. Aguilera of the Universidad Nacional Experimental Francisco de Miranda, Venezuela in 2008.<ref>Id.</ref> The name was chosen to commemorate famed Florida paleontologist [[Frank A. Garcia]], who uncovered many fossil samples of the extinct mammal from the [[Leisey Shell Pit]] in Central Florida. |
The species was described and named by Daryl P. Domning of Howard University and Orangel A. Aguilera of the Universidad Nacional Experimental Francisco de Miranda, Venezuela in 2008.<ref>Id.</ref> The name was chosen to commemorate famed Florida paleontologist [[Frank A. Garcia]], who uncovered many fossil samples of the extinct mammal from the [[Leisey Shell Pit]] in Central Florida. |
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==Related species== |
==Related species== |
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*[[Dugong]] |
*[[Dugong]] |
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*[[Steller's sea cow]] |
*[[Steller's sea cow]] |
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[[Category:Sirenians]] |
[[Category:Sirenians]] |
Revision as of 02:14, 27 February 2012
Nanosiren garciae Temporal range:
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Genus: | Nanosiren |
Species: | N. garciae
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Nanosiren garciae |
Nanosiren garciae is an extinct sirenian mammal, a pigmy, tusked sea cow of the family Dugongidae, genus Nanosiren, living in warm shallow seas approximately 11.610—3.6 Ma during the Miocene, existing approximately 8.01 million years.[1] It is evolutionarily related to modern species of manatees and dugongs.
Taxonomy
Nanosiren garciae was named by Domning and Aguilera (2008). Its name was attributed to Domning, not Domning and Aguilera. Its type is Nanosiren garciae. It was assigned to Dugonginae by Domning and Aguilera (2008).
Description
Sirenians, also called sea cows, are an almost extinct group of aquatic, herbivorous mammals. Sirenians diverged from related ungulate (hooved) mammals early in the Paleogene.[2] Currently, there are four existing sirenian species - three manatee species and one dugong species. All are gentle herbivores inhabiting coasts and rivers. Though completely aquatic, they are only distantly related to cetaceans and pinnipeds. Their closest living relatives are modern elephants.
Nanosiren garciae, an extinct sirenian, was classified and named in 2008 based on fossils uncovered from the Bone Valley Formation near Tampa, Florida.[3] It is the smallest known post-Eocene sirenian, with body lengths of about 2 meters and weighing about 150 kg. Newborn nanosirens may have weighed only 6.8 kg. Its small size gave rise to the naming of its genus as Nanosiren, from the Greek for a "dwarf siren". These mammals were of shallow draft and possessed small, conical tusks, suggesting they foraged in shallower waters than their dugong relatives. Nanosirens likely fed on smaller seagrasses near shorelines.[4] They thrived approximately 5 million years ago during the Hemphillian age.
The species was described and named by Daryl P. Domning of Howard University and Orangel A. Aguilera of the Universidad Nacional Experimental Francisco de Miranda, Venezuela in 2008.[5] The name was chosen to commemorate famed Florida paleontologist Frank A. Garcia, who uncovered many fossil samples of the extinct mammal from the Leisey Shell Pit in Central Florida.