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Amazonsaurus ✝

Description

Amazonsaurus (AM-ə-zən-SAWR-əs, "Amazon lizard") is a genus of diplodocoid sauropod dinosaur from the Early Cretaceous Period of what is now South America. It would have been a large-bodied quadrupedal herbivore with a long neck and whiplash tail. Although more derived diplodocoids were some of the longest animals ever to exist, Amazonsaurus was probably not more than 12 meters (40 ft) long. Gregory S. Paul estimated in 2010 its weight at 5000 kg.


From Wikipedia article at https://en.wikipedia.org/wiki/Amazonsaurus, which is released under the Creative Commons Attribution-Share-Alike License 3.0.
Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4822906https://www.gbif.org/species/4822906
PaleoBioDB ID (PBDB)89458https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=89458
Rankgenus
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Dinosauria : Rebbachisauridae : Amazonsaurus
Taxonomy (PBDB)Life : Animalia : Chordata : Saurischia : Rebbachisauridae : Amazonsaurus
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
-Osteichthyes
-SarcopterygiiRomer 1955
subclassDipnotetrapodomorpha
subclassTetrapodomorpha
-Tetrapoda
-ReptiliomorphaSäve-Söderbergh 1934
-AnthracosauriaSäve-Söderbergh 1934
-Batrachosauria
-Cotylosauria
-AmniotaHaeckel 1866
-SauropsidaHuxley 1864
classReptiliaLaurenti 1768
subclassEureptilia
-RomeriidaGauthier et al. 1988
-Diapsida
-Eosuchia
-NeodiapsidaBenton 1985
-SauriaGauthier 1984
-Archosauromorpha
-CrocopodaEzcurra 2016
-ArchosauriformesGauthier 1986
-EucrocopodaEzcurra 2016
-Archosauria
informalAvemetatarsaliaBenton 1999
-OrnithodiraGauthier 1986
-DinosauromorphaBenton 1985
-DinosauriformesNovas 1992
-Dinosauria
-Saurischia
-EusaurischiaPadian et al. 1999
-Sauropodomorpha
-MassopodaYates 2007
-SauropodiformesMartinez et al. 2011
-Sauropoda
-EusauropodaUpchurch 1995
-NeosauropodaBonaparte 1986
-Diplodocoidea
-DiplodocimorphaCalvo and Salgado 1995
-Rebbachisauridae
genusAmazonsaurusCarvalho Avilla & Salgado 2003
Scientific NameAmazonsaurus Carvalho, Avilla & Salgado, 2003
Name Published InCretaceous Res 24 (6), December
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Amazonsaurusgenusbelongs to Diplodocoideastated without evidenceCarvalho et al., 2003
Amazonsaurusgenusbelongs to Rebbachisauridaestated without evidenceSalgado et al., 2006
Amazonsaurusgenusbelongs to Diplodocoideastated with evidenceWhitlock, 2011
Amazonsaurusgenusbelongs to RebbachisauridaeimpliedMannion et al., 2011
Amazonsaurusgenusbelongs to Diplodocoideastated with evidenceIbiricu et al., 2012
Amazonsaurusgenusbelongs to Rebbachisauridaestated with evidenceCarballido et al., 2012
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance125 - 101 Ma
Early/Lower Cretaceous
Last Recorded Appearance125 - 101 Ma
Early/Lower Cretaceous
Environmentterrestrial (based on Sauropoda)
Motilityactively mobile (based on Sauropoda)
Dietherbivore (based on Sauropoda)
Reproductionoviparous, dispersal=direct/internal,mobile (based on Sauropoda)
Ontogenyaccretion,modification of parts (based on Sauropoda)
Taphonomyhydroxylapatite,compact or dense,thick (based on Sauropoda)
Primary Reference (PBDB)I. d. S. Carvalho, L. d. S. Avilla, and L. Salgado. 2003. Amazonsaurus maranhensis gen. et sp. nov. (Sauropoda, Diplodocoidea) from the Lower Cretaceous (Aptian-Albian) of Brazil. Cretaceous Research 24:697-713
Wikipediahttps://en.wikipedia.org/wiki/Amazonsaurus

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Amazonsaurus maranhensis ✝
species		accepted (GBIF)
listed (PBDB)		1125 Ma
Early/Lower Cretaceous		125 Ma
Early/Lower Cretaceous

Synonymy List

YearName and Author
2003Amazonsaurus Carvalho et al. p. 699
2006Amazonsaurus Salgado et al. p. 704 fig. 9
2009Amazonsaurus Mannion p. 522
2010Amazonsaurus Carballido et al. p. 500
2011Amazonsaurus Mannion et al. p. 778
2011Amazonsaurus Whitlock
YearName and Author
2012Amazonsaurus Carballido et al.
2012Amazonsaurus Ibiricu et al. p. 227
2012Amazonsaurus Mannion et al.
2015Amazonsaurus Wilson and Allain p. 25 fig. 16
2019Amazonsaurus Mannion et al.

References

Carvalho I. d. S., Avilla L. d. S., et al (2003) Amazonsaurus maranhensis gen. et sp. nov. (Sauropoda, Diplodocoidea) from the Lower Cretaceous (Aptian-Albian) of Brazil, Cretaceous Research 24, 697-713
Salgado L., Carvalho I. d. S., et al (2006) Zapalasaurus bonapartei, un nuevo saurópodo de La Formación La Amarga (Cretacico Inferior), noroeste de Patagonia, Provincia de Neuquén, Argentina [Zapalasaurus bonapartei, a new sauropod from the La Amarga Formation (Lower Cretaceous), northwestern Patagonia, Neuquén province, Argentina], Géobios 39, 695-707
Mannion P. D. (2009) A rebbachisaurid sauropod from the Lower Cretaceous of the Isle of Wight, England, Cretaceous Research 30, 521-526 doi:doi:10.1016/j.cretres.2008.09.005
Carballido J. L., Garrido A. C., et al (2010) Redescription of Rayososaurus agrioensis Bonaparte (Sauropoda, Diplodocoidea), a rebbachisaurid from the early Late Cretaceous of Neuquén, Geobios 43, 493-503 doi:10.1016/j.geobios.2010.01.004
Mannion P. D., Upchurch P., et al (2011) New rebbachisaurid (Dinosauria: Sauropoda) material from the Wessex Formation (Barremian, Early Cretaceous), Isle of Wight, United Kingdom, Cretaceous Research 32, 774-780 doi:10.1016/j.cretres.2011.05.005
Whitlock J. A. (2011) A phylogenetic analysis of Diplodocoidea (Saurischia: Sauropoda), Zoological Journal of the Linnean Society 161, 872-915
Carballido J. L., Salgado L., et al (2012) A new basal rebbachisaurid (Sauropoda, Diplodocoidea) from the Early Cretaceous of the Neuquén Basin; evolution and biogeography of the group, Historical Biology 24 6, 631-654
Ibiricu L. M., Casal G. A., et al (2012) The southernmost records of Rebbachisauridae (Sauropoda: Diplodocoidea), from early Late Cretaceous deposits in central Patagonia, Cretaceous Research 34, 220-232
Mannion P. D., Upchurch P., et al (2012) New information on the anatomy and systematic position of Dinheirosaurus lourinhanensis (Sauropoda: Diplodocoidea) from the Late Jurassic of Portugal, with a review of European diplodocoids, Journal of Systematic Palaeontology 10 3, 521-551 doi:10.1080/14772019.2011.595432
Wilson J. A., Allain R. (2015) Osteology of Rebbachisaurus garasbae Lavocat, 1954, a diplodocoid (Dinosauria, Sauropoda) from the early Late Cretaceous–aged Kem Kem beds of southeastern Morocco, Journal of Vertebrate Paleontology 35 4, e1000701:1-33 doi:10.1080/02724634.2014.1000701
Mannion P. D., Upchurch P., et al (2019) Taxonomic affinities of the putative titanosaurs from the Late Jurassic Tendaguru Formation of Tanzania: phylogenetic and biogeographic implications for eusauropod dinosaur evolution, Zoological Journal of the Linnean Society 185 3, 784-909 doi:10.1093/zoolinnean/zly068/5300162
Cretaceous Res 24 (6), December - via The Interim Register of Marine and Nonmarine Genera
Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera
SN2000: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - via The Interim Register of Marine and Nonmarine Genera
original work/web search - via The Interim Register of Marine and Nonmarine Genera
de Souza Carvalho, I.; dos Santos Avilla, L.; Salgado, L. (2003). Amazonsaurus maranhensis gen. et sp. nov. (Sauropoda, Diplodocoidea) from the Lower Cretaceous (Aptian-Albian) of Brazil. Cretaceous Research, 24 (6), 697-713 - via The Interim Register of Marine and Nonmarine Genera
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
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