Carodnia: Difference between revisions
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* †'''''C. cabrerai'''''<br /><small>{{Harvnb|Simpson|1935}}</small> |
* †'''''C. cabrerai'''''<br /><small>{{Harvnb|Simpson|1935}}</small> |
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* †'''''C. feruglioi'''''<br /><small>{{Harvnb|Simpson|1935}}</small> |
* †'''''C. feruglioi'''''<br /><small>{{Harvnb|Simpson|1935}}</small> |
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* †'''''C. inexpectans'''''<ref name=Antoine>{{Cite journal|author1=Pierre-Olivier Antoine |author2=Guillaume Billet |author3=Rodolfo Salas-Gismondi |author4=Julia Tejada Lara |author5=Patrice Baby |author6=Stéphane Brusset |author7=Nicolas Espurt |year=2015 |title=A New ''Carodnia'' Simpson, 1935 (Mammalia, Xenungulata) from the Early Eocene of Northwestern Peru and a Phylogeny of Xenungulates at Species Level |journal=Journal of Mammalian Evolution |volume=22 |issue= 2|pages= 129–140|doi=10.1007/s10914-014-9278-1 |s2cid=15272216 }}</ref> |
* †'''''C. inexpectans'''''<ref name=Antoine>{{Cite journal|author1=Pierre-Olivier Antoine |author2=Guillaume Billet |author3=Rodolfo Salas-Gismondi |author4=Julia Tejada Lara |author5=Patrice Baby |author6=Stéphane Brusset |author7=Nicolas Espurt |year=2015 |title=A New ''Carodnia'' Simpson, 1935 (Mammalia, Xenungulata) from the Early Eocene of Northwestern Peru and a Phylogeny of Xenungulates at Species Level |journal=Journal of Mammalian Evolution |volume=22 |issue= 2|pages= 129–140|doi=10.1007/s10914-014-9278-1 |s2cid=15272216 |url=https://resolver.caltech.edu/CaltechAUTHORS:20230313-433399000.10 }}</ref> |
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* †'''''C. karuen'''''<ref>{{cite journal|last1=Gelfo |first1=J. N. |last2=López |first2=G. M. |last3=Bond |first3=M. |title=New insights on the anatomy, paleobiology, and biostratigraphy of Xenungulata (Mammalia) from the Paleogene of South America |year=2024 |journal=Palaeontologia Electronica |volume=27 |issue=2 |at=27.2.a30 |doi=10.26879/1360 |doi-access=free }}</ref> |
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| synonyms = ''Ctalecarodnia'' <small>{{Harvnb|Simpson|1935}}</small> |
| synonyms = ''Ctalecarodnia'' <small>{{Harvnb|Simpson|1935}}</small> |
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| url = http://www.palaeocritti.com/by-group/eutheria/xenungulata | access-date = 5 May 2013}}</ref> |
| url = http://www.palaeocritti.com/by-group/eutheria/xenungulata | access-date = 5 May 2013}}</ref> |
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''Carodnia'' is the largest mammal known from the [[Eocene]] of South America. It was heavily built and had large canines and cheek teeth with a crested pattern like the [[Uintatheriidae|uintatheres]] to which it can be related.<ref name="Paleo-mamm" /> In life, it would have been a tapir-sized animal. It bore strong resemblances to [[dinocerata]]ns, although without tusks or [[ossicone]]s. |
''Carodnia'' is the largest mammal known from the [[Eocene]] of South America. It was heavily built and had large canines and cheek teeth with a crested pattern like the [[Uintatheriidae|uintatheres]] to which it can be related.<ref name="Paleo-mamm" /> In life, it would have been a tapir-sized animal. It bore strong resemblances to [[dinocerata]]ns, although without tusks or [[ossicone]]s. When George Simpson first described ''Carodnia'', he cited the genus name as being derived from the Tehuelche word for thunder "''carodn''".<ref>{{Cite journal |
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== Description == |
== Description == |
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''C. feruglioi'' and ''C. cabrerai'', from the [[Riochican]] in the [[South American Land Mammal Age|SALMA classification]] of [[Patagonia]],<ref name="Gingerich" /> are known from only a few dental remains. ''C. vieirai'' (from the [[Itaboraian]] SALMA of [[Itaborai]])<ref name="Gingerich" /> is known from much more complete dental, cranial, and postcranial remains including an almost complete mandible, many vertebrae, and several partial leg bones.<ref>{{Harvnb|Paula Couto|1952| pp=371–2}}</ref> |
''C. feruglioi'' and ''C. cabrerai'', from the [[Riochican]] in the [[South American Land Mammal Age|SALMA classification]] of [[Patagonia]],<ref name="Gingerich" /> are known from only a few dental remains. ''C. vieirai'' (from the [[Itaboraian]] SALMA of [[Itaborai]])<ref name="Gingerich" /> is known from much more complete dental, cranial, and postcranial remains including an almost complete mandible, many vertebrae, and several partial leg bones.<ref>{{Harvnb|Paula Couto|1952| pp=371–2}}</ref> |
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When {{Harvnb|Simpson|1935}} first described ''Carodnia'' and ''Ctalecarodnia'', the former was known only from a left lower molar which was lacking in the latter, making a comparison very difficult. {{Harvnb|Paula Couto|1952}}, based on considerably more complete remains, concluded that the molars and premolars of both are indistinguishable and therefore reduced ''Ctalecarodnia'' to a synonym. |
When {{Harvnb|Simpson|1935}} first described ''Carodnia'' and ''Ctalecarodnia'', the former was known only from a left lower molar which was lacking in the latter, making a comparison very difficult. {{Harvnb|Paula Couto|1952}}, based on considerably more complete remains, concluded that the molars and premolars of both are indistinguishable and therefore reduced ''Ctalecarodnia'' to a synonym. Paula Couto also noted that the dentition of ''C. cabrerai'' and ''C. feruglioi'' are similar except in size, and that ''C. feruglioi'' can be a juvenile ''C. cabrerai'', but nevertheless left them as two distinct species.<ref>{{Harvnb|Paula Couto|1952| pp=372–3}}</ref> |
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== Distribution == |
== Distribution == |
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Fossils of ''Carodnia'' have been found in:<ref name=FWCarodnia>[ |
Fossils of ''Carodnia'' have been found in:<ref name=FWCarodnia>[https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=43514 ''Carodnia''] at [[Fossilworks]].org</ref> |
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* [[Peñas Coloradas Formation]], [[Argentina]] |
* [[Peñas Coloradas Formation]], [[Argentina]] |
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* [[Itaboraí Formation]], [[Brazil]] |
* [[Itaboraí Formation]], [[Brazil]] |
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| oclc = 18189741 | hdl = 2246/417 |
| oclc = 18189741 | hdl = 2246/417 |
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}}<!-- {{Harvnb|Paula Couto|1952}} --> |
}}<!-- {{Harvnb|Paula Couto|1952}} --> |
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* {{Cite journal |
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{{Refend}} |
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{{Taxonbar|from=Q3311285}} |
{{Taxonbar|from=Q3311285}} |
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[[Category: |
[[Category:Xenungulata]] |
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[[Category:Eocene mammals of South America]] |
[[Category:Eocene mammals of South America]] |
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[[Category:Casamayoran]] |
[[Category:Casamayoran]] |
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[[Category:Taxa named by George Gaylord Simpson]] |
[[Category:Taxa named by George Gaylord Simpson]] |
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[[Category:Prehistoric placental genera]] |
[[Category:Prehistoric placental genera]] |
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[[Category:Itaboraí Formation]] |
Latest revision as of 06:43, 18 November 2024
Carodnia | |
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Carodnia vieirai | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Order: | †Xenungulata |
Family: | †Carodniidae |
Genus: | †Carodnia Simpson 1935[1] |
Species | |
| |
Synonyms | |
Ctalecarodnia Simpson 1935 |
Carodnia is an extinct genus of South American ungulate known from the Early Eocene of Brazil, Argentina, and Peru.[4] Carodnia is placed in the order Xenungulata together with Etayoa and Notoetayoa.[5]
Carodnia is the largest mammal known from the Eocene of South America. It was heavily built and had large canines and cheek teeth with a crested pattern like the uintatheres to which it can be related.[4] In life, it would have been a tapir-sized animal. It bore strong resemblances to dinoceratans, although without tusks or ossicones. When George Simpson first described Carodnia, he cited the genus name as being derived from the Tehuelche word for thunder "carodn".[6]
Description
[edit]Simpson noted that Carodnia resembles the primitive uintathere Probathyopsis. Although Paula Couto also made the same favorable comparison, he placed Carodnia in the new order Xenungulata. Gingerich 1985 concluded that Probathyopsis shares several dental characteristics with Carodnia, but that in the latter the anterior dentition of is more reduced, the second lower and upper premolars are enlarged and pointed, and that the first and second molars are more lophodont. Gingerich thought the differences could justify a separate family for Carodnia but proposed that it should be included in Probathyopsis,Cifelli 1983 grouped Carodnia with Pyrotheria but later concluded that this was a mistake.[7]
Carodnia is characterized by bilophodont[explain 1] first and second molars and more complex lophate[explain 1] third molars, which suggests possible links to pyrotheres, uintatheres, and even arctocyonids. The bones of the foot are short and robust and the digits terminate in broad, flat, and unfissured hoof-like unguals, unlike any other known meridiungulate.[8]
C. feruglioi and C. cabrerai, from the Riochican in the SALMA classification of Patagonia,[7] are known from only a few dental remains. C. vieirai (from the Itaboraian SALMA of Itaborai)[7] is known from much more complete dental, cranial, and postcranial remains including an almost complete mandible, many vertebrae, and several partial leg bones.[9]
When Simpson 1935 first described Carodnia and Ctalecarodnia, the former was known only from a left lower molar which was lacking in the latter, making a comparison very difficult. Paula Couto 1952, based on considerably more complete remains, concluded that the molars and premolars of both are indistinguishable and therefore reduced Ctalecarodnia to a synonym. Paula Couto also noted that the dentition of C. cabrerai and C. feruglioi are similar except in size, and that C. feruglioi can be a juvenile C. cabrerai, but nevertheless left them as two distinct species.[10]
Distribution
[edit]Fossils of Carodnia have been found in:[11]
Itaboraian correlations
[edit]Formation | Itaboraí | Las Flores | Koluel Kaike | Maíz Gordo | Muñani | Mogollón | Bogotá | Cerrejón | Ypresian (IUCS) • Wasatchian (NALMA) Bumbanian (ALMA) • Mangaorapan (NZ) |
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Basin | Itaboraí | Golfo San Jorge | Salta | Altiplano Basin | Talara & Tumbes |
Altiplano Cundiboyacense |
Cesar-Ranchería | ||
Country | Brazil | Argentina | Peru | Colombia | |||||
Carodnia | |||||||||
Gashternia | |||||||||
Henricosbornia | |||||||||
Victorlemoinea | |||||||||
Polydolopimorphia | |||||||||
Birds | |||||||||
Reptiles | |||||||||
Fish | |||||||||
Flora | |||||||||
Environments | Alluvial-lacustrine | Alluvial-fluvial | Fluvio-lacustrine | Lacustrine | Fluvial | Fluvio-deltaic | |||
Volcanic | Yes |
Notes
[edit]References
[edit]- ^ Carodnia in the Paleobiology Database. Retrieved May 2013.
- ^ a b Pierre-Olivier Antoine; Guillaume Billet; Rodolfo Salas-Gismondi; Julia Tejada Lara; Patrice Baby; Stéphane Brusset; Nicolas Espurt (2015). "A New Carodnia Simpson, 1935 (Mammalia, Xenungulata) from the Early Eocene of Northwestern Peru and a Phylogeny of Xenungulates at Species Level". Journal of Mammalian Evolution. 22 (2): 129–140. doi:10.1007/s10914-014-9278-1. S2CID 15272216.
- ^ Gelfo, J. N.; López, G. M.; Bond, M. (2024). "New insights on the anatomy, paleobiology, and biostratigraphy of Xenungulata (Mammalia) from the Paleogene of South America". Palaeontologia Electronica. 27 (2). 27.2.a30. doi:10.26879/1360.
- ^ a b "Pantodonts, uintatheres and xenungulates: The first large herbivorous mammals". Paleocene Mammals. August 2005. Retrieved 5 May 2013.
- ^ "Xenungulata". Palaeocritti. Retrieved 5 May 2013.
- ^ Simpson, George Gaylord (1935). "Descriptions of the oldest known South American mammals, from the Río Chico Formation". American Museum Novitates. Publications of the Scarritt Expeditions, no. 24 (793). hdl:2246/2125. OCLC 44083494.
- ^ a b c Gingerich 1985, pp. 130–1
- ^ Rose 2006, Xenungulata, p. 238
- ^ Paula Couto 1952, pp. 371–2
- ^ Paula Couto 1952, pp. 372–3
- ^ Carodnia at Fossilworks.org
Bibliography
[edit]- Cifelli, Richard (1983). "Eutherian tarsals from the late Paleocene of Brazil". American Museum Novitates (2761). hdl:2246/5252. OCLC 10601277.
- Gingerich, Philip D. (1985). "South American Mammals in the Paleocene of North America" (PDF). In Stehli, Francis G.; Webb, S. David (eds.). The Great American Biotic Interchange. Topics in Geobiology. Vol. 4. Springer. pp. 123–137. doi:10.1007/978-1-4684-9181-4_5. ISBN 978-1-4684-9183-8. OCLC 716806225. Retrieved 5 May 2013.
- Rose, Kenneth David (2006). The beginning of the age of mammals. Baltimore: JHU Press. ISBN 978-0801884726.
- Paula Couto, Carlos, de (1952). "Fossil mammals from the beginning of the Cenozoic in Brazil. Condylarthra, Litopterna, Xenungulata, and Astrapotheria". Bulletin of the American Museum of Natural History. 99: 355–394. hdl:2246/417. OCLC 18189741.
{{cite journal}}
: CS1 maint: multiple names: authors list (link)