Extinct genus of mammaliamorphs
Xenocretosuchus Temporal range: Aptian,
136.4–125.45 Ma
PreꞒ
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O
S
D
C
P
T
J
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Pg
N
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Clade :
Synapsida
Clade :
Therapsida
Clade :
Cynodontia
Family:
† Tritylodontidae
Genus:
† Xenocretosuchus Tatarinov & Matchenko, 1999
Type species
Xenocretosuchus sibiricus Tatarinov & Matchenko, 1999
Other species
X. kolossovi Lopatin & Agadjanian, 2008
Xenocretosuchus is an extinct genus of tritylodont therapsids from the Aptian (Early Cretaceous) Ilek Formation of Siberia, in the Russian Federation.[1] The type species, X. sibiricus , is known only from dental elements,[2] as is X. kolossovi , described from the Batylykh Formation in 2008.[3] Some authors have treated these species as part of the genus Stereognathus, otherwise known from the Middle Jurassic of Britain,[4] but this is rejected by other authors.[5]
Alongside Montirictus and Fossiomanus , it is amongst the latest known non-mammaliform synapsids, extending their range to the Early Cretaceous.
^ Fossilworks. "Xenocretosuchus." Retrieved from
^ Palaeos. "Cynodontia: Tritylodontidae." Retrieved from
^ Lopatin & Agadjanian, 2008. "A Tritylodont (Tritylodontidae, Synapsida) from the Mesozoic of Yakutia." Retrieved from [1]
^ Averianov, A.O.; Martin, T.; Lopatin, A.V.; Schultz, J.A.; Skutschas, P.P.; Rico, S.; Krasnolutskii, S.A. (2017). "A tritylodontid synapsid from the Middle Jurassic of Siberia and the taxonomy of derived tritylodontids". Journal of Vertebrate Paleontology . 37 (5): e1363767. doi:10.1080/02724634.2017.1363767. S2CID 90249441.
^ Liu, Lu; Zhou, Chang-Fu; Wang, Jia-Shu; Xue, Jin-Zhuang (2022-07-06). "A new tritylodontid from the Middle Jurassic Shaximiao Formation of western Hubei, China". Historical Biology : 1–10. doi:10.1080/08912963.2022.2094262. ISSN 0891-2963.
Last Update: 2024-03-30T21:16:27Z
Xenocretosuchus is an extinct genus of tritylodont therapsids from the Aptian (Early Cretaceous) Ilek Formation of Siberia, in the Russian Federation...
Word Count : 207
Last Update: 2023-11-29T13:18:37Z
the Jurassic—the latter even into the Cretaceous (Montirictus and Xenocretosuchus )—and Mammaliaformes, which includes the mammals. Below is a cladogram...
Word Count : 317
Last Update: 2024-06-03T07:04:12Z
region being in the Early Jurassic of South Africa and Antarctica. Xenocretosuchus , Montirictus and Fossiomanus are the latest known tritylodontids, from...
Word Count : 1620
Last Update: 2024-04-26T02:10:44Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 2054
Last Update: 2024-05-25T08:10:43Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 1727
Last Update: 2024-05-12T12:47:42Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 233
Last Update: 2024-03-01T01:01:59Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 145
Last Update: 2024-06-13T06:55:03Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 1529
Last Update: 2024-05-12T13:03:32Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 382
Last Update: 2024-02-01T12:36:19Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 2001
Last Update: 2024-03-05T19:33:02Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 618
Last Update: 2024-06-18T09:19:57Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 3709
Last Update: 2024-06-21T17:23:35Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 1231
Last Update: 2024-03-01T00:59:42Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 477
Last Update: 2024-03-01T01:08:26Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 279
Last Update: 2024-05-25T08:06:37Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 203
Last Update: 2024-06-12T13:40:34Z
Kemchug 4 M1 tooth; mandibular fragments A docodontan mammaliaform Xenocretosuchus X. sibiricus Dental elements A tritylodontid mammaliamorph Yermakia...
Word Count : 1303
Last Update: 2024-03-05T19:36:07Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 1837
Last Update: 2024-03-29T19:28:58Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 703
Last Update: 2024-02-26T02:13:57Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 352
Last Update: 2024-03-30T08:17:03Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 478
Last Update: 2024-03-05T19:51:36Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 765
Last Update: 2024-03-29T19:50:26Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 171
Last Update: 2024-04-06T17:27:50Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 275
Last Update: 2024-04-06T17:36:13Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 266
Last Update: 2024-04-06T17:24:13Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 222
Last Update: 2024-04-06T17:30:19Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 262
Last Update: 2024-03-05T19:39:03Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 229
Last Update: 2024-03-29T19:57:58Z
Montirictus Nuurtherium Oligokyphus Polistodon Shartegodon Stereognathus Tritylodon Xenocretosuchus Yuanotherium Yunnanodon Mammaliaformes see below↓...
Word Count : 912