Lokotunjailurus: Difference between revisions
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{{Short description|Extinct genus of carnivores}} |
{{Short description|Extinct genus of carnivores}} |
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'''''Lokotunjailurus''''' is an extinct [[genus]] of [[saber-toothed cat]]s ([[Machairodontinae]]) which existed in [[Kenya]] and [[Chad]] during the [[Miocene]] [[Epoch (geology)|epoch]].<ref name=werdelin>{{cite |
'''''Lokotunjailurus''''' is an extinct [[genus]] of [[saber-toothed cat]]s ([[Machairodontinae]]) which existed in [[Kenya]] and [[Chad]] during the [[Miocene]] [[Epoch (geology)|epoch]].<ref name=werdelin>{{cite book|author=Werdelin, L.|title=Lothagam |chapter=Mio-Pliocene Carnivora from Lothagam, Kenya |author-link=Lars Werdelin|year=2003|pages=261–328|journal=Lothagam: The Dawn of Humanity in East Africa|publisher=Columbia University Press|location=New York|doi=10.7312/leak11870-013|isbn=9780231118705|editor=Leakey, M. G. |editor2=Harris, J. M.}}</ref><ref name=bonis>{{cite journal|title=New sabre-toothed cats in the Late Miocene of Toros Menalla (Chad)|author=Bonis, L.d.|author2=Peigné, S.|author3=Mackaye, H.T.|author4=Likius, A.|author5=Vignaud, P.|author6=Brunet, M.|name-list-style=amp|year=2010|journal=Comptes Rendus Palevol|volume=9|issue=5|pages=221–7|doi=10.1016/j.crpv.2010.07.018|bibcode=2010CRPal...9..221D }}</ref> |
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==History and taxonomy== |
==History and taxonomy== |
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The type species '''''L. emageritus''''' was documented by [[Lars Werdelin]] based on fossils found at the [[Lothagam]] site in Kenya. He described it as a large [[felid]] with an extremely long claw on one digit. He named the genus from the [[Turkana language|Turkana]] word for "cat" and the species from the word for "claw". Werdelin considered ''L. emageritus'' to be similar to ''[[Homotherium]]'' in [[dentition]] and to represent a basal member of [[Homotherini]].<ref name=werdelin /> |
The type species '''''L. emageritus''''' was documented by [[Lars Werdelin]] based on fossils found at the [[Lothagam]] site in Kenya. He described it as a large [[felid]] with an extremely long claw on one digit. He named the genus from the [[Turkana language|Turkana]] word for "cat" and the species from the word for "claw". Werdelin considered ''L. emageritus'' to be similar to ''[[Homotherium]]'' in [[dentition]] and to represent a basal member of [[Homotherini]].<ref name=werdelin /> |
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A second species '''''L. fanonei''''' was described from fossils found in the Toros Menalla Formation in the [[Djurab Desert]] of [[Chad]]. The deposits date to the Late Miocene (7 [[mya (unit)|mya]]).<ref name=bonis /> A third species '''''L. chinsamyae''''' was named in 2023.<ref>{{Cite journal|doi=10.1016/j.isci.2023.107212 |title=Langebaanweg's sabertooth guild reveals an African Pliocene evolutionary hotspot for sabertooths (Carnivora; Felidae) |year=2023 |last1=Jiangzuo |first1=Qigao |last2=Rabe |first2=Caitlin |last3=Abella |first3=Juan |last4=Govender |first4=Romala |last5=Valenciano |first5=Alberto |journal=iScience |page=107212 |doi-access=free }}</ref> |
A second species '''''L. fanonei''''' was described from fossils found in the Toros Menalla Formation in the [[Djurab Desert]] of [[Chad]]. The deposits date to the Late Miocene (7 [[mya (unit)|mya]]).<ref name=bonis /> A third species '''''L. chinsamyae''''' was named in 2023.<ref>{{Cite journal|doi=10.1016/j.isci.2023.107212 |title=Langebaanweg's sabertooth guild reveals an African Pliocene evolutionary hotspot for sabertooths (Carnivora; Felidae) |year=2023 |last1=Jiangzuo |first1=Qigao |last2=Rabe |first2=Caitlin |last3=Abella |first3=Juan |last4=Govender |first4=Romala |last5=Valenciano |first5=Alberto |journal=iScience |volume=26 |issue=8 |page=107212 |pmid=37609637 |pmc=10440717 |bibcode=2023iSci...26j7212J |doi-access=free }}</ref> |
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==Description== |
==Description== |
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Revision as of 10:42, 1 November 2023
| Lokotunjailurus Temporal range:
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._Walking_with_sabertooths_(fig._8).png)
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| Restoration of L. emageritus by Mauricio Antón | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Carnivora |
| Suborder: | Feliformia |
| Family: | Felidae |
| Subfamily: | †Machairodontinae |
| Tribe: | †Homotherini |
| Genus: | †Lokotunjailurus Werdelin 2003 |
| Type species | |
| Lokotunjailurus emageritus Werdelin, 2003
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| Other species | |
| Synonyms | |
Lokotunjailurus is an extinct genus of saber-toothed cats (Machairodontinae) which existed in Kenya and Chad during the Miocene epoch.[1][2]
History and taxonomy
The type species L. emageritus was documented by Lars Werdelin based on fossils found at the Lothagam site in Kenya. He described it as a large felid with an extremely long claw on one digit. He named the genus from the Turkana word for "cat" and the species from the word for "claw". Werdelin considered L. emageritus to be similar to Homotherium in dentition and to represent a basal member of Homotherini.[1]
A second species L. fanonei was described from fossils found in the Toros Menalla Formation in the Djurab Desert of Chad. The deposits date to the Late Miocene (7 mya).[2] A third species L. chinsamyae was named in 2023.[3]
Description
Lokotunjailurus was about as tall as a lioness; about 90 cm (3.0 ft) at the shoulder, but was much lighter in build due to its longer legs and more gracile body. Its dewclaws were particularly large in proportion to its body and were bigger than those of a much larger lion, indicating it relied on them quite heavily for grappling with prey. In comparison, its claws on the second to fourth digits were smaller than those of leopards.[4]
Paleoecology
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In the Djurab desert in northern Chad in central Africa, Lokotunjailurus fanonei seems to have lived alongside fellow machairodonts Amphimachirodus kabir, Tchadailurus and early representatives of the genus Megantereon. In addition to these other cats, animals such as crocodiles, primitive three-toed horses, fish, monkeys, hippos, aardvarks, turtles, rodents, giraffes, snakes, antelopes, pigs, mongooses, foxes, hyenas, otters, honey badgers, the elephantid Stegotetrabelodon and the hominid Sahelanthropus tchadensis providing ample food for these cats, indicating that there was enough biodiversity that four sabertooths could coexist.[5][6]
References
- ^ a b Werdelin, L. (2003). "Mio-Pliocene Carnivora from Lothagam, Kenya". In Leakey, M. G.; Harris, J. M. (eds.). Lothagam. New York: Columbia University Press. pp. 261–328. doi:10.7312/leak11870-013. ISBN 9780231118705.
{{cite book}}:|journal=ignored (help) - ^ a b Bonis, L.d.; Peigné, S.; Mackaye, H.T.; Likius, A.; Vignaud, P. & Brunet, M. (2010). "New sabre-toothed cats in the Late Miocene of Toros Menalla (Chad)". Comptes Rendus Palevol. 9 (5): 221–7. Bibcode:2010CRPal...9..221D. doi:10.1016/j.crpv.2010.07.018.
- ^ Jiangzuo, Qigao; Rabe, Caitlin; Abella, Juan; Govender, Romala; Valenciano, Alberto (2023). "Langebaanweg's sabertooth guild reveals an African Pliocene evolutionary hotspot for sabertooths (Carnivora; Felidae)". iScience. 26 (8): 107212. Bibcode:2023iSci...26j7212J. doi:10.1016/j.isci.2023.107212. PMC 10440717. PMID 37609637.
- ^ Anton, Mauricio (2013). Sabertooth.
- ^ "Sabertooth Cats May Have Feasted on Early Humans". Live Science. 17 January 2011. Retrieved 15 May 2018.
- ^ Switek, Brian. "Paleo Profile: The Chad Cat". Retrieved 15 May 2018.
| Homotherini |  | |
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| Metailurini | ||
| Smilodontini | ||
| Incertae sedis: | ||
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