Sánchez-Villagra, M.R. Die Polymorphismen in den Umrissen der äußeren Nasenöffnung inGryposuchus werden taxonomisch evaluiert. — Ameghiniana5: 299–311. ;Sidor, C.A. 1789. Martin, B.G.H &Bellairs, A.D’A. Fossils have been found from Argentina, Colombia, Venezuela, Brazil and the Peruvian Amazon. Indian Tertiary and post-Tertiary Vertebrata. Known locations: USA. Mexico. However, because there is considerable variation seen in rostral proportions among crocodilians, the latter measurements are probably not an accurate way of estimating body mass and length[6]. Paläontologische Zeitschrift
Media in category "Gryposuchus" The following 8 files are in this category, out of 8 total. Specimens from this species were first described from Argentina in 1885, although it was referred toRamphostoma at the time. [2][5][6], Another species, G. colombianus, has been recovered from deposits from the Middle Miocene Honda Group of Colombia, and the late Miocene Urumaco Formation in Venezuela. It was assigned to the current genus in 1912 along with a newly described species, G. jessei. zu den weltweit größten Gavialen und sogar der Crocodyliformes gehört haben, die je existierten. Gasparini, Z.B. [1] One recently described species, G. croizati, grew to an estimated length of 10 metres (33 ft). Gryposuchus croizati: body length of 10.15 m and skull shape according to Riff & Aguilera (2008) Euthecodon brumpti : body length of 10 m and skull shape according to Storrs (2003) [6] Sarcosuchus imperator : body length of 9–9.5 m according to O'Brien et al. It includes the holotype MUSM 987, a well preserved skull that lacks of temporal and occipital bones; it measures 623.2 millimeters in length, and a series of referred specimens, including possible juveniles.
Based on measurements of the orbital cranial skeleton, the length of the animal has been estimated at around 10.15 metres (33.3 ft) in length, with a total mass of about 1,745 kilograms (3,847 lb).
It is the type genus of the subfamily Gryposuchinae. Brochu, C.A. Like other crocodiles, Purussaurus would have easily been capable of tackling large prey.
One of the Stupendemys fossils was found with a two-inch-long (5 cm) croc tooth embedded in it. Brochu, C.A. Nixon, K.C. 1999.
Tesoros paleontológicos de Venezuela: Urumaco, patrimonio natural de la humanidad. Its large size may have been crucial in defending against formidable predators. [1][13][22], harvnb error: no target: CITEREFGurich1912 (. It includes the holotype MUSM 987, a well preserved skull that lacks of temporal and occipital bones; it measures 623.2 millimeters in length, and a series of referred specimens, including possible juveniles. [7] Fragmentary material of Gryposuchus from the Fitzcarrald Arch in the Peruvian Amazon dating back to the late middle Miocene bear a close resemblance to G. colombianus, but differ in rostrum proportions. — In:Gans, C. &Parsons, T.S., eds., Biology of the Reptilia4: 201–264, London (Academic Press). [11], Some skull material also recovered from Peruvian Amazon (Iquitos) in the Pebas Formation of the Middle Miocene,[1] was named as Gryposuchus pachakamue in 2016 by Rodolfo Salas-Gismondi et al. — Science294: 1516–1519. Kraus, R. 1998. Since that it species, that inhabited the proto-Amazon fluvial system 13 million years ago, is the oldest record of gavialids in this area and it had a primitive telescoped eyes condition, it shows that the development of such condition was a case of convergent evolution with the species of Gavialis also found in fluvial environments. Part of Springer Nature. Cite this article. ;Heckert, A.B. — In:Sánchez-Villagra, M.R. Langston, W. &Gasparini, Z.B. Departamento de Ciências Naturais, Universidade Estadual do Sudoeste da Bahia, Estrada do Bern Querer, Km. — Journal of Systematie Palaeontology4: 221–232. Take your favorite fandoms with you and never miss a beat. sp., nouveau gavialidae (Crocodylia, Eusuchia) du Miocéne supérieur (Huayquerian) d’Urumaco (Venezuela). The genus existed during the early and middle Miocene epoch. Hay, O. P. 1930. Weiterhin wurde die Körpergröße basierend auf der Gehirnkapsellänge auf 1745 kg (1280–2379 kg) geschätzt.
Phylogenetic Analysis Using Parsimony (and other methods). Gryposuchus is an extinct genus of gavialoid crocodilian.
1996. Fossil representation: Several individuals represented by skull and mandible (lower jaw) material and teeth. )Rusconi 1933 (Reptilia, Crocodilia) del Mesopotamiense (Plioceno mediosuperior) de Argentina. &Gingerich, P.D. — Systematic Zoology27: 401–410. 2004. Gryposuchus est un genre éteint de crocodiliens de la famille des Gavialidae. Kay, R. F. and Madden, R. H. (1997). Archosaur phylogeny and relationships of the Crocodylia — In:Benton, M J., ed., The Phylogeny and Classification of the Tetrapods1: 295–338, Oxford (Clarendon Press). Troubleshooting molecular phylogenetic analyses. However, certain localities where material from the species G. colombianus has been recovered, such as La Venta, Colombia, were clearly deposited in non-marine environments, speaking against the proposed coastal lifestyle hypothesis for all gryposuchines. — Ciadistics9: 83–91. Gürich, G. 1912.Gryposuchus jessei, ein neues schmalschnauziges Krokodil aus den jüngeren Ablagerungen des oberen Amazonas-Gebietes. Fossil representation: Many specimens of skull material and teeth. Siwalik Crocodilia, Lacertilia and Ophidia. 2001. A.
Anhand dieser maximalen Werte dürfteG. However, because there is considerable variation seen in rostral proportions among crocodilians, the latter measurements are probably not an accurate way of estimating body mass and length. — Acta Palaeontologica Polonica50: 565–580. La dernière modification de cette page a été faite le 2 septembre 2019 à 12:21. Gryposuchus a vécu du Miocène moyen au Pléistocène. PRAP — computation of Bremer support for large data sets. Fossils have been found from Argentina, Colombia, Venezuela, Brazil and the Peruvian Amazon. The new fossils included the largest-known turtle shell - 2.86 meters long, even larger than Archelon's shell - and the first lower jaw remains, which gave clues about its diet. How the ‘terror crocodile’ grew so big. &Clack, J.A., eds., Fossils of the Miocene Castillo Formation, Venezuela: Contributions on Neotropical palaeontology. 2006.Eosuchus (Crocodylia, Gavialoidea) from the Lower Eocene of the Isle of Sheppey, England. Is it better to add taxa or characters to a difficult phylogenetic problem? This is a preview of subscription content, log in to check access. &Buffetaut, E. 1981.Hesperogavialis cruxenti n. gen. n. Novas formas fósseis de Crocodylia (Alligatoridae e Gavialidae) da Formação Solimões, Cenozóico do Estado do Acre-Brasil, representadas por materiais cranianos e mandibulares. Riff, D. and Aguilera, O. Stupendemys males, unlike the females, boasted sturdy front-facing horns on both sides of the carapace - or shell - very close to the neck. A species described in 2008, G. croizati, found from the upper Miocene Urumaco Formation in northwestern Venezuela, can be distinguished from other species of Gryposuchus on the basis of a reduced number of maxillary teeth, a slender parietal interfenestral bar, and widely separated and reduced palatinefenestrae, among other things. Gmelin, J. These maximal values placeG. https://doi.org/10.1007/BF02988408, Over 10 million scientific documents at your fingertips, Not logged in 2003.Pachycheilosuchus trinquei, a new procoelous crocodyliform from the Lower Cretaceous (Albian) Glen Rose Formation of Texas. ................................ Advertisement ................................ Car-Sized Prehistoric Turtle, Largest Ever, Was Built For Battle. Some gryposuchines such as Siquisiquesuchus and Piscogavialis have been found from localities thought to have been deposited in coastal environments[8][9]. PAUP. kann von anderen Gavialoiden, einschließlichGryposuchus colombianus undGryposuchus neogaeus, anhand der folgenden diagnostischen Merkmale unterschieden werden: 1) Schlankheit des Interfenestralstabs des Parietale; 2) Zahnformel, vor allem die reduzierte Anzahl von Maxillarzähnen, mit vier Prämaxillar-, 19 Maxillar- und 22 Mandibularzähnen; 3) große Breite der Palatinae zwischen reduzierten Gaumenfenstern; 4) medialer Hemicondylus des Quadratums kleiner aber getrennt und sehr viel stärker posterior verlängert und ventromedial ausgerichtet als der laterale Hemicondylus; 5) Morphologie des Pterygoids, mit zwei posterioren Einbuchtungen. The genus existed during the early and middle Miocene epoch.
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