Ptilodontidae: Difference between revisions
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{{Short description|Extinct family of mammals}} |
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{{Taxobox |
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{{Automatic taxobox |
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| taxon = Ptilodontidae |
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| fossil_range = {{Fossil range|Late Cretaceous|Paleocene}} |
| fossil_range = {{Fossil range|Late Cretaceous|Paleocene}} |
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| image = Ptilodus skull BW.jpg |
| image = Ptilodus skull BW.jpg |
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| image_caption = Skull of ''[[Ptilodus]]'' |
| image_caption = Skull of ''[[Ptilodus]]'' |
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| ⚫ | |||
| regnum = [[Animal]]ia |
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| classis = [[Mammal]]ia |
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| ordo = [[Multituberculata]] |
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| subordo = [[Cimolodonta]] |
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| superfamilia = [[Ptilodontoidea]] |
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| familia = '''Ptilodontidae''' |
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| ⚫ | |||
| subdivision_ranks = [[Genus|Genera]] |
| subdivision_ranks = [[Genus|Genera]] |
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| subdivision = |
| subdivision = |
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''[[Kimbetohia]]''<br> |
''[[Kimbetohia]]''<br> |
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''[[Prochetodon]]''<br> |
''[[Prochetodon]]''<br> |
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''[[Ptilodus]]'' |
''[[Ptilodus]]'' |
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}} |
}} |
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'''Ptilodontidae''' is a family of [[mammal]]s within the [[extinct]] order Multituberculata. Representatives are known from the Upper [[Cretaceous]] and [[Paleocene]] of [[North America]]. |
'''Ptilodontidae''' is a [[family (taxonomy)|family]] of primitive [[mammal]]s within the [[extinct]] order [[Multituberculata]]. Representatives are known from the Upper [[Cretaceous]] and [[Paleocene]] of [[North America]]. |
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The Ptilodontidae |
The Ptilodontidae family was originally named Ptilodontinae and [[scientific classification|classified]] as a [[subfamily]] by [[Edward Drinker Cope]] in 1887. It was amended by Gregory and Simpson in 1926 to its current status. |
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In addition, Cope mistakenly classified the ''Ptilodus'' [[genus]] as a [[marsupial]]. He originally named it ''Chirox'', and placed it in the new family Chirogidae in 1887. Since it has been |
In addition, Cope mistakenly classified the ''Ptilodus'' [[genus]] as a [[marsupial]]. He originally named it ''Chirox'', and placed it in the new family Chirogidae in 1887. Since it has been reclassified, and Chirogidae is now officially a [[synonym (taxonomy)|synonym]] of Ptilodontidae. |
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One of the most outstanding features of this family of squirrel-like, arboreal mammals, was the peculiar shape of their last lower [[premolar]]. It was larger and more elongated than its neighbours, and its [[Occlusion (dentistry)|occlusive]] surface was formed into a serrated slicing blade. Most likely this tooth was used for crushing and opening seeds and nuts, but it is believed that the ptilodonts, like most small multituberculates, supplemented their diet with insects, worms, and fruits. |
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<ref>Augustí 2002, p 4</ref><!--- ref for entire para above ---> |
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== Notes == |
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{{Reflist}} |
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== References == |
== References == |
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* {{cite book |
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* Edward Drinker Cope (1887) "The marsupial genus ''Chirox''", ''[[American Naturalist]]'' '''21''', pg. 566-567. |
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| title = Mammoths, Sabertooths, and Hominids: 65 Millions Years of Mammalian Evolution in Europe |
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* Kielan-Jaworowska, Z. & Hurum, J.H. (2001) "Phylogeny and Systematics of multituberculate mammals", ''Paleontology'' '''44''', pg. 389-429. |
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| first1 = Jordi | last1 = Agustí | first2 = Mauricio | last2 = Antón |
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* Much of this information has been derived from [http://home.arcor.de/ktdykes/ptilodon.htm Mesozoic Mammals: Ptilodontoidea], an Internet directory. |
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| publisher = Columbia University Press | location = New York | year = 2002 |
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| isbn = 0-231-11640-3 |
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}} |
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* {{cite journal |
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| first = Edward Drinker | last = Cope |
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| title = The marsupial genus ''Chirox'' | year = 1887 |
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| journal = [[American Naturalist]] | issue = 21 | pages = 566–567 |
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}} |
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* {{cite web |
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|url = http://home.arcor.de/ktdykes/ptilodon.htm |
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|title = 'Mesozoic Mammals'; Ptilodontoidea, an internet directory |
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|first = Trevor |
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|last = Dykes |
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|year = 2009 |
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|access-date = January 9, 2010 |
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|url-status = dead |
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|archive-url = https://web.archive.org/web/20091228145936/http://home.arcor.de/ktdykes/ptilodon.htm |
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|archive-date = 2009-12-28 |
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}} (Much of the information in this article has been derived from this site.) |
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* {{cite journal |
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| last1 = Kielan-Jaworowska | first1 = Z. | last2 = Hurum | last3 = J.H. |
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| title = Phylogeny and Systematics of multituberculate mammals |
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| journal = Palaeontology | year = 2001 | volume = 44 | issue = 3 | pages = 389–429 | doi=10.1111/1475-4983.00185 |
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| s2cid = 83592270 | url = http://doc.rero.ch/record/14775/files/PAL_E1903.pdf }} |
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{{Allotheria|C.}} |
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{{Taxonbar|from=Q3774255}} |
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[[es:Ptilodontidae]] |
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[[Category:Late Cretaceous first appearances]] |
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[[Category:Paleocene extinctions]] |
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[[Category:Taxa named by Edward Drinker Cope]] |
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[[Category:Prehistoric mammal families]] |
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Latest revision as of 23:14, 20 January 2023
| Ptilodontidae Temporal range:
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|---|---|
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| Skull of Ptilodus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | †Multituberculata |
| Superfamily: | †Ptilodontoidea |
| Family: | †Ptilodontidae Cope, 1887 |
| Genera | |
Ptilodontidae is a family of primitive mammals within the extinct order Multituberculata. Representatives are known from the Upper Cretaceous and Paleocene of North America.
The Ptilodontidae family was originally named Ptilodontinae and classified as a subfamily by Edward Drinker Cope in 1887. It was amended by Gregory and Simpson in 1926 to its current status.
In addition, Cope mistakenly classified the Ptilodus genus as a marsupial. He originally named it Chirox, and placed it in the new family Chirogidae in 1887. Since it has been reclassified, and Chirogidae is now officially a synonym of Ptilodontidae.
One of the most outstanding features of this family of squirrel-like, arboreal mammals, was the peculiar shape of their last lower premolar. It was larger and more elongated than its neighbours, and its occlusive surface was formed into a serrated slicing blade. Most likely this tooth was used for crushing and opening seeds and nuts, but it is believed that the ptilodonts, like most small multituberculates, supplemented their diet with insects, worms, and fruits. [1]
Notes[edit]
- ^ Augustí 2002, p 4
References[edit]
- Agustí, Jordi; Antón, Mauricio (2002). Mammoths, Sabertooths, and Hominids: 65 Millions Years of Mammalian Evolution in Europe. New York: Columbia University Press. ISBN 0-231-11640-3.
- Cope, Edward Drinker (1887). "The marsupial genus Chirox". American Naturalist (21): 566–567.
- Dykes, Trevor (2009). "'Mesozoic Mammals'; Ptilodontoidea, an internet directory". Archived from the original on 2009-12-28. Retrieved January 9, 2010. (Much of the information in this article has been derived from this site.)
- Kielan-Jaworowska, Z.; Hurum; J.H. (2001). "Phylogeny and Systematics of multituberculate mammals" (PDF). Palaeontology. 44 (3): 389–429. doi:10.1111/1475-4983.00185. S2CID 83592270.
