Mei

Description

Mei est un genre éteint de dinosaures théropodes carnivores, approximativement de la taille d'un canard. L'unique espèce de ce genre, Mei long, dont le nom signifie le « dragon endormi » (du chinois 寐 mèi, « endormi », et 龙 lóng, « dragon »), est connue de spécimens découverts dans la formation d'Yixian et appartenant au biote de Jehol, datée du Crétacé inférieur, dans la province chinoise du Liaoning au nord-est de la Chine,.

Information(s)

Source: The Paleobiology Database

Attibution: Xu and Norell 2004¹⁴⁹²⁶
Statut: Valide
Nom commun:
Environnement de découverte: terrestrial
Mode de vie: terrestrial
Mode de locomotion: actively mobile
Vision: ?
Alimentation: carnivore, omnivore
Mode de reprodution: oviparous
Classification: Sinovenatorinae >> Troodontidae >> Deinonychosauria >> Paraves >> Maniraptora >> Coelurosauria >> Tetanurae >> Averostra >> Neotheropoda >> Theropoda >> Dinosauria
Période: Barremian - Aptian (de -125.77 Ma à -119.50 Ma)

Espèce(s):
- Mei long (Valide)¹⁴⁹²⁶

Specimen(s):

Mei long: holotype IVPP V12733 - tibia, femur, radius, humerus, scapula, skull
Détail des Spécimens

Autre(s) Taxon(s) trouvés dans la litterature:
- Psittacosaurus meileyingensis
Découverte(s): 15 occcurrences
Ouvrir - Fermer
- Chine
  - Chongqing
    - Yunyang
      - Formation Shaximiao
        Omeisaurus puxiani: ? ⁷²⁰⁵²
  - Liaoning
    - ?
      - Formation Jiufotang
        Psittacosaurus meileyingensis: ? ¹⁴¹⁰⁶
    - Beipiao
      - Formation Yixian
        Mei long: IVPP V12733: tibia, femur, radius, humerus, scapula, skull ¹⁴⁹²⁶
        Mei long: ? ⁴³¹⁵⁰
  - Sichuan
    - ?
      - Formation ?
        Omeisaurus junghsiensis: ? ¹²⁵⁴⁰
        Omeisaurus junghsiensis: ? ¹²⁵⁴⁰
      - Formation Shaximiao
        Omeisaurus: ? ⁸⁶⁵⁶⁸
        Omeisaurus junghsiensis: ? ¹²⁵³⁸
        Omeisaurus maoianus: ? ⁴²⁵⁰⁷
    - Changshou
      - Formation Shaximiao
        Omeisaurus changshouensis: ? ¹⁵⁵³³
    - Rongxian
      - Formation Shaximiao
        Omeisaurus junghsiensis: CV001: skull ¹²⁵³⁸
    - Zigong
      - Formation Shaximiao
        Omeisaurus fuxiensis: ? ¹⁷²⁵⁸
        Omeisaurus jiaoi: ? ³⁷⁵⁰³
        Omeisaurus tianfuensis: ZDM T7501: tibia, femur, radius, humerus ²⁸⁵²⁴
    - Zizhong
      - Formation Shaximiao
        Omeisaurus luoquanensis: ? ²⁸⁵¹⁹
Historique des modifications:

Référence	Type	Partie	Dimension (en cm)	Lieu de découverte
IVPP V12733	holotype	tibia	length: 106	Collection: Lujiatun village, Shangyuan [general] (IVPP)- Lieu: CN, Liaoning, Beipiao
IVPP V12733	holotype	femur	length: 81	Collection: Lujiatun village, Shangyuan [general] (IVPP)- Lieu: CN, Liaoning, Beipiao
IVPP V12733	holotype	radius	length: 39	Collection: Lujiatun village, Shangyuan [general] (IVPP)- Lieu: CN, Liaoning, Beipiao
IVPP V12733	holotype	humerus	length: 42	Collection: Lujiatun village, Shangyuan [general] (IVPP)- Lieu: CN, Liaoning, Beipiao
IVPP V12733	holotype	scapula	length: 45	Collection: Lujiatun village, Shangyuan [general] (IVPP)- Lieu: CN, Liaoning, Beipiao
IVPP V12733	holotype	skull	length: 53	Collection: Lujiatun village, Shangyuan [general] (IVPP)- Lieu: CN, Liaoning, Beipiao

Pas de modification récente.

Publication(s)

La base comprend 13 publication(s).

Source: The Paleobiology Database

↑^{1 2 3}X. Xu and M. A. Norell. 2004. A new troodontid dinosaur from China with avian-like sleeping posture. Nature 431:838-841 (https://doi.org/10.1038/nature02898)
↑¹C. Tan, M. Xiao, and H. Dai, X.-F. Hu, N. Li, Q.-Y. Ma, Z.-Y. Wei, H.-D. Yu, C. Xiong, G.-Z. Peng, S. Jiang, X.-X. Ren, H.-L. You. 2020. A new species of Omeisaurus (Dinosauria: Sauropoda) from the Middle Jurassic of Yunyang, Chongqing, China. Historical Biology (https://doi.org/10.1080/08912963.2020.1743286)
↑¹P. C. Sereno, S. Chao, and Z. Cheng, C. Rao. 1988. Psittacosaurus meileyingensis (Ornithischia: Ceratopsia), a new psittacosaur from the Lower Cretaceous of northeastern China. Journal of Vertebrate Paleontology 8(4):366-377 (https://doi.org/10.1080/02724634.1988.10011725)
↑¹C. -L. Gao, E. M. Morschauser, and D. J. Varricchio, J. Liu, B. Zhao. 2012. A second soundly sleeping dragon: new anatomical details of the Chinese troodontid Mei long with implications for phylogeny and taphonomy. PLoS ONE 7(9):e45203:1-17 (https://doi.org/10.1371/journal.pone.0045203)
↑^{1 2}C.-C. Young. 1942. Fossil vertebrates from Kuangyuan, N. Szechuan, China. Bulletin of the Geological Society of China 22(-34):293-309 (https://doi.org/10.1111/j.1755-6724.1942.mp223-4016.x)
↑¹B. Hao, Q. Zhang, and G. Peng, Y. Ye. 2022. Discovery of a New Middle Jurassic Dinosaur Site in Sichuan, China. Acta Geologica Sinica 96(1):52-60 (https://doi.org/10.1111/1755-6724.14853)
↑^{1 2}C.-C. Young. 1939. On a new Sauropoda, with notes on other fragmentary reptiles from Szechuan. Bulletin of the Geological Society of China 19(3):279-315 (https://doi.org/10.1111/j.1755-6724.1939.mp19003005.x)
↑¹F. Tang, X.-S. Jin, and X.-M. Kang, G.-J. Zhang. 2001. Omeisaurus maoianus: a complete Sauropoda from Jingyan, Sichuan (https://doi.org/10.1016/s0129-167x(01)00081-2)
↑¹C.-C. Young. 1958. New sauropods from China. Vertebrata PalAsiatica 2(1):1-28
↑¹Z. Dong, S. Zhou, and H. Zhang. 1983. [Dinosaurs from the Jurassic of Sichuan]. Palaeontologica Sinica, New Series C, Whole Number 162(23):1-136
↑¹S. Jiang, F. Li, and G.-Z. Peng, Y. Ye. 2011. [A new species of Omeisaurus from the Middle Jurassic of Zigong, Sichuan]. Vertebrata PalAsiatica 49(2):185-194
↑¹X. He, K. Li, and K. Cai, Y. Gao. 1984. [Omeisaurus tianfuensis—a new species of Omeisaurus from Dashanpu, Zigong, Sichuan]. Journal of Chengdu College of Geology 1984(suppl. 2):13-32
↑¹X. He, K. Li, and K. Cai. 1988. The Middle Jurassic dinosaur fauna from Dashanpu, Zigong, Sichuan. Vol. IV. Sauropod dinosaurs (2). Omeisaurus tianfuensis. Sichuan Publishing House of Science and Technology

Galerie d'images

Source: Wikimédia

en.wikipedia.org/wiki/Mei_(dinosaur) www.tynhm.com/china/

Illustration of the troodontid dinosaur Mei long, with feathers...