Megaraptor

Description

Megaraptor (« voleur géant ») est un genre fossile de Megaraptoridae ayant vécu au Crétacé supérieur (Turonien supérieur, il y a 92 à 89 millions d'années), en Argentine occidentale.
Une seule espèce est rattachée au genre : Megaraptor namunhuaiquii.

Information(s)

Source: The Paleobiology Database

Attibution: Novas 1998¹³²⁰⁴
Statut: Valide
Nom commun:
Longueur (en m): ?
Largeur (en m): ?
Hauteur (en m): ?
Poids (en m): de ? à ?
Environnement de découverte: terrestrial
Mode de vie: terrestrial
Mode de locomotion: actively mobile
Vision: ?
Alimentation: carnivore
Mode de reprodution: oviparous, dispersal=direct/internal,mobile
Classification: Megaraptoridae >> Megaraptora >> Coelurosauria >> Tetanurae >> Averostra >> Neotheropoda >> Theropoda >> Saurischia >> Dinosauria
Période: Turonian - Coniacian (de -93.90 Ma à -85.70 Ma)

Espèce(s):
- Megaraptor namunhuaiquii (Valide)¹³²⁰⁴
Specimen(s):
- Megaraptor namunhuaiquii: holotype MCF-PVPH 79 - ulna (right)
- Détail des Spécimens
Autre(s) Taxon(s) trouvés dans la litterature:
- Megaraptora
- Megaraptoridae
- Megaraptor namunhuaiquii
Découverte(s): 35 occcurrences
Ouvrir - Fermer
- Argentine
  - Chubut
    - ?
      - Formation Bajo Barreal
        Megaraptoridae: ? ⁸⁷⁸¹⁶
        Megaraptoridae: ? ⁸⁷⁸¹⁶
      - Formation Lago Colhué Huapi
        Megaraptoridae: ? ⁶⁶⁷⁹¹
        Megaraptoridae: ? ⁸⁷⁸¹⁸
    - Sarmiento
      - Formation Bajo Barreal
        Megaraptora: ? ⁷⁸⁵⁸²
  - Mendoza
    - Malargüe
      - Formation Anacleto
        Megaraptoridae: ? ⁷⁹⁶⁷⁷
  - Neuquén
    - ?
      - Formation Bajo de la Carpa
        Megaraptora: ? ⁷⁶³⁰³
        Megaraptoridae: ? ⁸⁸⁶⁵¹
      - Formation Portezuelo
        Megaraptor namunhuaiquii: MCF-PVPH 79: ulna (right) ¹³²⁰⁴
        Megaraptor namunhuaiquii: ? ²⁴⁸⁷¹
        Megaraptor namunhuaiquii: ? ⁵⁵⁵⁸⁶
  - Río Negro
    - Cerro Policía
      - Formation Bajo de la Carpa
        Megaraptoridae: ? ⁸⁶³⁷²
  - Santa Cruz
    - ?
      - Formation Chorrillo
        Megaraptora: ? ⁸⁵⁵⁸⁶
    - Lago Argentino
      - Formation Chorrillo
        Megaraptoridae: ? ⁸⁵⁵⁸⁶
        Megaraptoridae: ? ⁸²⁴¹⁶
        Megaraptoridae: ? ⁸²⁴¹⁶
        Megaraptoridae: ? ⁸⁵⁵⁸⁶
        Megaraptoridae: ? ⁷¹¹⁹³
- Australie
  - New South Wales
    - ?
      - Formation Griman Creek
        Megaraptora: ? ⁷⁰³¹⁸
        Megaraptoridae: ? ⁸⁰⁹⁷⁹
  - Queensland
    - ?
      - Formation Winton
        Megaraptoridae: ? ⁸²¹⁷²
  - Victoria
    - ?
      - Formation "Wonthaggi"
        Megaraptora: ? ⁴¹⁶¹⁷
        Megaraptora: ? ⁹¹⁷⁸⁴
        Megaraptora: ? ⁸³⁷³⁶
        Megaraptoridae: ? ⁹¹⁷⁸⁴
        Megaraptoridae: ? ⁸⁹⁷²³
      - Formation Eumeralla
        Megaraptora: ? ³²⁷⁰²
        Megaraptoridae: ? ⁸⁰⁹⁸⁰
        Megaraptoridae: ? ⁷⁹⁶⁷⁷
- Brésil
  - Ceará
    - ?
      - Formation Açu
        Megaraptora: ? ⁷⁹⁴⁸⁷
      - Formation Romualdo
        Megaraptora: ? ⁸⁴⁷¹¹
  - Mato Grosso
    - ?
      - Formation Cambambe
        Megaraptora: ? ⁷⁸²⁴⁰
  - Minas Gerais
    - ?
      - Formation Uberaba
        Megaraptora: ? ⁸⁶³³²
  - São Paulo
    - ?
      - Formation São José do Rio Preto
        Megaraptora: ? ⁷⁸⁵⁸²
- Chili
  - Magallanes y Antártica Chilena
    - Última Esperanza
      - Formation Dorotea
        Megaraptoridae: ? ⁸³⁶³⁸
Historique des modifications:

Référence	Type	Partie	Côté	Dimension (en cm)	Lieu de découverte	Commentaires
MCF-PVPH 79	holotype	ulna	right	length: 332	Collection: Megaraptor type, Sierra del Portezuelo- Lieu: AR, Neuquén,

Pas de modification récente.

Publication(s)

La base comprend 28 publication(s).

Source: The Paleobiology Database

↑^{1 2 3}F. E. Novas. 1998. Megaraptor namunhuaiquii, gen. et sp. nov., a large-clawed, Late Cretaceous theropod from Patagonia. Journal of Vertebrate Paleontology 18(1):4-9 (https://doi.org/10.1080/02724634.1998.10011030)
↑^{1 2}M. C. Lamanna, G. A. Casal, and R. D. Martínez, L. M. Ibiricu. 2020. Megaraptorid (Theropoda: Tetanurae) partial skeletons from the Upper Cretaceous Bajo Barreal Formation of central Patagonia, Argentina: implications for the evolution of large body size in Gondwanan megaraptorans. Annals of Carnegie Museum 86(3):255-294 (https://doi.org/10.2992/007.086.0302)
↑¹G. A. Casal, R. D. Martinez, and M. Luna, L. M. Ibiricu. 2016. Ordenamiento y caracterización faunisitica del Cretacico superior del Grupo Chubut, Cuenca del Golfo San Jorge, Argentina. Revista Brasileira de Paleontologia 19(1):53-70 (https://doi.org/10.4072/rbp.2016.1.05)
↑¹L. M. Ibiricu, G. A. Casal, and R. D. Martínez, B. N. Alvarez, S. F. Poropat. 2020. New materials and an overview of Cretaceous vertebrates from the Chubut Group of the Golfo San Jorge Basin, central Patagonia, Argentina. Journal of South American Earth Sciences 98:102460 (https://doi.org/10.1016/j.jsames.2019.102460)
↑^{1 2}A. H. Méndez, F. E. Novas, and F. V. Iori. 2012. First record of Megaraptora (Theropoda, Neovenatoridae) from Brazil. Comptes Rendus Palevol 11(4):251-256 (https://doi.org/10.1016/j.crpv.2011.12.007)
↑^{1 2}F. E. Novas, F. L. Agnolín, and M. D. Ezcurra, J. Porfiri, J. I. Canale. 2013. Evolution of the carnivorous dinosaurs during the Cretaceous: The evidence from Patagonia. Cretaceous Research 45:174-215 (https://doi.org/10.1016/j.cretres.2013.04.001)
↑¹J. H. Méndez, L. S. Filippi, and A. C. Garrido. 2015. Nuevos hallazgos de dinosaurios terópodos provenientes del sitio La Invernada (Formación Bajo de la Carpa), Rincón de los Sauces, Neuquén [New discoveries of theropod dinosaurs from the La Invernada site (Bajo de la Carpa Formation), Rincón de los Sauces, Neuquén]. XXIX Jornadas Argentinas de Paleontología de Vertebrados. Resúmenes. Ameghiniana 52(4 (suppl.)):28-29
↑¹J. D. Porfiri, M. A. Baiano, and D. D. dos Santos, F. A. Gianechini, M. Pittman, M. C. Lamanna. 2024. Diuqin lechiguanae gen. et sp. nov., a new unenlagiine (Theropoda: Paraves) from the Bajo de la Carpa Formation (Neuquén Group, Upper Cretaceous) of Neuquén Province, Patagonia, Argentina. BMC Ecology and Evolution 24:77:1-22 (https://doi.org/10.1186/s12862-024-02247-w)
↑¹J. O. Calvo, J. D. Porfiri, and C. Veralli, F. E. Novas. 2002. Megaraptor namunhuaiquii (Novas, 1998), a new light about its phylogenetic relationships. 1° Congreso Latinoamericano de Paleontología de Vertebrados, Chile. Resumenes
↑¹J. D. Porfiri, F. E. Novas, and J. O. Calvo, F. L. Agnolín, M. D. Ezcurra, I. A. Cerda. 2014. Juvenile specimen of Megaraptor (Dinosauria, Theropoda) sheds light about tyrannosauroid radiation. Cretaceous Research 51(1):35-55 (https://doi.org/10.1016/j.cretres.2014.04.007)
↑¹J. G. Meso, F. A. Gianechini, and R. D. Juárez Valieri, S. Apesteguía, S. A. S. Correa. 2022. Theropods from the La Bonita site, Bajo de la Carpa Formation (Neuquen Group, Santonian), Río Negro, Argentina: analysis of dental evidence. Cretaceous Research 137:105250 (https://doi.org/10.1016/j.cretres.2022.105250)
↑^{1 2 3}D. Pol, E. Vlachos, and F. Aspromonte. 2023. The end of the dinosaur era in Patagonia (NatGeo Project).
↑^{1 2}D. Moyano-Paz, S. Rozadilla, and F. Agnolín, E. Verad, M. D. Coronel, A. N. Varela, A. R. Gómez-Dacal, A. M. Aranciaga-Rolando, J. D.'Angelo, V. Pérez-Loinaze, S. Richiano, N. Chimento, M. J. Motta, J. Sterli, M. Manabe, T. Tsuihiji, M. P. Isasi, D. G. Poiré, F. E. Novas. 2022. The uppermost Cretaceous continental deposits at the southern end of Patagonia, the Chorrillo Formation case study (Austral-Magallanes Basin): Sedimentology, fossil content and regional implications. Cretaceous Research 130:105059 (https://doi.org/10.1016/j.cretres.2021.105059)
↑¹F. E. Novas, F. L. Agnolin, and S. Rozadilla, A. M. Aranciaga-Rolando, F. Brisson-Egli, M. J. Motta, M. Cerroni, M. D. Ezcurra, A. G. Martinelli, J. S. D.’Angelo, G. Alvarez-Herrera. 2019. Paleontological discoveries in the Chorrillo Formation (upper Campanian-lower Maastrichtian, Upper Cretaceous), Santa Cruz Province, Patagonia, Argentina. Revista del Museo Argentino de Ciencias Naturales, Nueva Serie 21(2):217-293 (https://doi.org/10.22179/revmacn.21.655)
↑¹T. Brougham, E. T. Smith, and P. R. Bell. 2019. New theropod (Tetanurae: Avetheropoda) material from the ‘mid’-Cretaceous Griman Greek Formation at Lightning Ridge, New South Wales, Australia. Royal Society Open Science 6:180826:1-18 (https://doi.org/10.1098/rsos.180826)
↑¹P. R. Bell, A. Cau, and F. Fanti, E. T. Smith. 2015. A large-clawed theropod (Dinosauria: Tetanurae) from the Lower Cretaceous of Australia and the Gondwanan origin of megaraptorid theropods. Gondwana Research 36:473-487 (https://doi.org/10.1016/j.gr.2015.08.004)
↑¹S. F. Poropat, T. G. Frauenfelder, and P. D. Mannion, S. L. Rigby, A. H. Pentland, T. Sloan, D. A. Elliott. 2022. Sauropod dinosaur teeth from the lower Upper Cretaceous Winton Formation of Queensland, Australia and the global record of early titanosauriforms. Royal Society Open Science 9:220381 (https://doi.org/10.1098/rsos.220381)
↑¹M. T. Carrano, R. B. J. Benson, and S. D. Sampson. 2012. The phylogeny of Tetanurae (Dinosauria: Theropoda). Journal of Systematic Palaeontology 10(2):211-300 (https://doi.org/10.1080/14772019.2011.630927)
↑^{1 2}J. Kotevski, R. J. Duncan, and T. Ziegler, J. J. Bevitt, P. Vickers-Rich, T. H. Rich, A. R. Evans, S. F. Poropat. 2025. Evolutionary and paleobiogeographic implications of new carcharodontosaurian, megaraptorid, and unenlagiine theropod remains from the upper Lower Cretaceous of Victoria, southeast Australia. Journal of Vertebrate Paleontology (https://doi.org/10.1080/02724634.2024.2441903)
↑¹T. H. Rich and P. Vickers-Rich. 2020. Dinosaurs of Darkness (second edition) (https://doi.org/10.18278/ijc.8.1.1)
↑¹J. Kotevski, R. J. Duncan, and A. H. Pentland, J. P. Rule, P. Vickers-Rich, T. H. Rich, E. M. Fitzgerald, A. R. Evans, S. F. Poropat. 2024. A megaraptorid (Dinosauria: Theropoda) frontal from the upper Strzelecki Group (Lower Cretaceous) of Victoria, Australia. Cretaceous Research 154(78):105769 (https://doi.org/10.1016/j.cretres.2023.105769)
↑¹F. L. Agnolin, M. D. Ezcurra, and D. F. Pais, S. W. Salisbury. 2010. A reappraisal of the Cretaceous non-avian dinosaur faunas from Australia and New Zealand: evidence for their Gondwanan affinities. Journal of Systematic Palaeontology 8(2):257-300 (https://doi.org/10.1080/14772011003594870)
↑¹S. F. Poropat, M. A. White, and P. Vickers-Rich, T. H. Rich. 2019. New megaraptorid (Dinosauria: Theropoda) remains from the Lower Cretaceous Eumeralla Formation of Cape Otway, Victoria, Australia. Journal of Vertebrate Paleontology 39(4):e1666273 (https://doi.org/10.1080/02724634.2019.1666273)
↑¹P.V.L.G.C. Pereira, T. B. Ribeiro, and S. L. Brusatte, C. R. d. A. Candeiro, T. d. S. Marinho, L. P. Bergqvist. 2020. Theropod (Dinosauria) diversity from the Açu Formation (mid-Cretaceous), Potiguar Basin, northeast Brazil. Cretaceous Research 114:104517:1-11 (https://doi.org/10.1016/j.cretres.2020.104517)
↑¹A. M. Aranciaga Rolando, F. Brissón Egli, and M. A. F. Sales, A. G. Martinelli, J. I. Canale, M. D. Ezcurra. 2018. A supposed Gondwanan oviraptorosaur from the Albian of Brazil represents the oldest South American megaraptoran. Cretaceous Research 84:107-119 (https://doi.org/10.1016/j.cretres.2017.10.019)
↑¹M. A. F. Sales, A. G. Martinelli, and H. Francischini, R. R. Rubert, L. P. Marconato, M. B. Soares, C. L. Schultz. 2018. New dinosaur remains and the tetrapod fauna from the Upper Cretaceous of Mato Grosso State, central Brazil. Historical Biology 30(5):661-676 (https://doi.org/10.1080/08912963.2017.1315414)
↑¹A. G. Martinelli, L. C. Borges Ribeiro, and A. H. Méndez, F. M. Neto, C. L. Cavellani, E. Felix, M. L. d. F. Ferraz, V. d. P. A. Teixeira. 2013. Insight on the theropod fauna from the Uberaba Formation (Bauru Group), Minas Gerais state: new megaraptoran specimen from the Late Cretaceous of Brazil . Rivista Italiana di Paleontologia e Stratigrafia 119(2):205-214 (https://doi.org/10.13130/2039-4942/6035 )
↑¹S. N. Davis, S. Soto-Acuña, and R. A. Fernández, J. Amudeo-Plaza, M. A. Leppe, D. Rubilar-Rogers, A. O. Vargas, J. A. Clarke. 2023. New records of Theropoda from a Late Cretaceous (Campanian-Maastrichtian) locality in the Magallanes-Austral Basin, Patagonia, and insights into end Cretaceous theropod diversity. Journal of South American Earth Sciences 122:104163 (https://doi.org/10.1016/j.jsames.2022.104163)

Galerie d'images

Source: Wikimédia

A cast of the claw of the first digit of Megaraptor namunhuaiquii,...

Reconstitution de Megaraptor