| Description | Epachthosaurus (meaning "heavy lizard") was a genus of titanosaurian sauropod dinosaur from the Late Cretaceous. It was a lithostrotian titanosaur. Its fossils have been found in Central and Northern Patagonia in South America.
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| Source Data | |
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| Rank | genus |
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| Taxonomy (GBIF) | Life : Animalia : Chordata : Reptilia : Dinosauria : Titanosauridae : Epachthosaurus |
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| Taxonomy (PBDB) | Life : Animalia : Chordata : Saurischia : Epachthosaurus |
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| Taxonomic Status (GBIF) | accepted |
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Classification
(PBDB,GBIF) | |
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| Scientific Name | Epachthosaurus Powell, 1990 |
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| Name Published In | Ser Correlation Geol No. 7 |
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| Opinions (PBDB) | | Name | Rank | Opinion | Evidence | Author |
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| Epachthosaurus | genus | belongs to Andesauridae | stated without evidence | Bonaparte and Coria, 1993 | | Epachthosaurus | genus | belongs to Titanosauridae | stated without evidence | Salgado and Martínez, 1993 | | Epachthosaurus | genus | belongs to Andesauridae | stated with evidence | Bonaparte, 1996 | | Epachthosaurus | genus | belongs to Titanosauridae | stated without evidence | Jacobs et al., 1996 | | Epachthosaurus | genus | belongs to Titanosauria | stated without evidence | Novas, 1997 | | Epachthosaurus | genus | belongs to Titanosauridae | stated without evidence | Salgado and Calvo, 1997 | | Epachthosaurus | genus | belongs to Titanosauria | stated without evidence | Wilson and Sereno, 1998 | | Epachthosaurus | genus | belongs to Titanosauridae | stated without evidence | Smith et al., 2001 | | Epachthosaurus | genus | belongs to Titanosauria | stated with evidence | Wilson, 2002 | | Epachthosaurus | genus | belongs to Epachthosaurinae | stated without evidence | Salgado, 2003 | | Epachthosaurus | genus | belongs to Titanosauridae | stated without evidence | Powell, 2003 | | Epachthosaurus | genus | belongs to Epachthosaurinae | stated without evidence | Franco-Rosas et al., 2004 | | Epachthosaurus | genus | belongs to Titanosauria | stated with evidence | Upchurch et al., 2004 | | Epachthosaurus | genus | belongs to Titanosauria | stated without evidence | Martínez et al., 2004 | | Epachthosaurus | genus | belongs to Andesauridae | stated without evidence | Apesteguía, 2005 | | Epachthosaurus | genus | belongs to Lithostrotia | stated without evidence | Curry Rogers, 2005 | | Epachthosaurus | genus | belongs to Titanosauria | stated without evidence | Salgado and Coria, 2005 | | Epachthosaurus | genus | belongs to Titanosauridae | stated without evidence | Calvo et al., 2007 | | Epachthosaurus | genus | belongs to Titanosauridae | stated with evidence | González Riga et al., 2009 | | Epachthosaurus | genus | belongs to Lithostrotia | stated with evidence | Ksepka and Norell, 2010 | | Epachthosaurus | genus | belongs to Titanosauria | stated without evidence | Casal and Ibiricu, 2010 | | Epachthosaurus | genus | belongs to Lithostrotia | stated with evidence | Filippi et al., 2011 | | Epachthosaurus | genus | belongs to Titanosauria | stated without evidence | Mannion and Calvo, 2011 | | Epachthosaurus | genus | belongs to Lithostrotia | stated with evidence | González Riga and Ortiz David, 2014 | | Epachthosaurus | genus | belongs to Titanosauria | stated with evidence | Carballido et al., 2017 | | Epachthosaurus | genus | belongs to Lithostrotia | stated with evidence | González Riga et al., 2018 | | Epachthosaurus | genus | belongs to Titanosauria | stated with evidence | Filippi et al., 2019 |
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| Status (PBDB) | extinct |
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| Taxon Size (PBDB) | 2 |
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| First Recorded Appearance | 99.6 - 89.3 Ma
Late/Upper Cretaceous |
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| Last Recorded Appearance | 99.6 - 89.3 Ma
Late/Upper Cretaceous |
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| Environment | terrestrial (based on Sauropoda) |
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| Motility | actively mobile (based on Sauropoda) |
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| Diet | herbivore (based on Sauropoda) |
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| Reproduction | oviparous, dispersal=direct/internal,mobile (based on Sauropoda) |
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| Ontogeny | accretion,modification of parts (based on Sauropoda) |
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| Taphonomy | hydroxylapatite,compact or dense,thick (based on Sauropoda) |
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| Primary Reference (PBDB) | J. E. Powell. 1990. Epachthosaurus sciuttoi (gen. et sp. nov.), un dinosaurio sauropodo del Cretácico de Patagonia (Provincia de Chubut, Argentina) [Epachthosaurus sciuttoi (gen. et sp. nov.), a sauropod dinosaur from the Cretaceous of Patagonia (Chubut province, Argentina)]. Actas del V Congreso Argentino de Paleontologia y Bioestratigrafia, Tucumán, Argentina 1:123-128 |
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| Wikipedia | https://en.wikipedia.org/wiki/Epachthosaurus |
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| Powell J. E. (1990) Epachthosaurus sciuttoi (gen. et sp. nov.), un dinosaurio sauropodo del Cretácico de Patagonia (Provincia de Chubut, Argentina) [Epachthosaurus sciuttoi (gen. et sp. nov.), a sauropod dinosaur from the Cretaceous of Patagonia (Chubut province, Argentina)], Actas del V Congreso Argentino de Paleontologia y Bioestratigrafia, Tucumán, Argentina 1, 123-128 |
| Bonaparte J. F., Coria R. A. (1993) Un neuvo y gigantesco saurópodo titanosaurio de la Formación Rio Limay (Albanio-Cenomaniano) de la Provincia del Neuquén, Argentina [A new and huge titanosaur sauropod from the Rio Limay Formation (Albian-Cenomanian) of Neuquén Province, Argentina], Ameghiniana 30 3, 271-282 |
| Bonaparte J. F. (1996) Cretaceous tetrapods of Argentina, Münchner Geowissenschaften Abhandlungen 30, 73-130 |
| Jacobs L. L., Winkler D. A., et al (1996) Cretaceous dinosaurs of Africa: examples from Cameroon and Malawi, Memoirs of the Queensland Museum 39 3, 595-610 |
| Salgado L. (1996) Pellegrinisaurus powelli nov. gen. et sp. (Sauropoda, Titanosauridae) from the Upper Cretaceous of Lago Pellegrini, northwestern Patagonia, Argentina, Ameghiniana 33 4, 355-365 |
| Novas F. E. (1997) South American dinosaurs, Encyclopedia of Dinosaurs, 678-689 |
| Salgado L., Coria R. A., et al (1997) Evolution of titanosaurid sauropods. I: Phylogenetic analysis based on the postcranial evidence, Ameghiniana 34 1, 3-32 |
| Wilson J. A., Sereno P. C. (1998) Early evolution and higher-level phylogeny of sauropod dinosaurs. Society of Vertebrate Paleontology Memoir 5, Journal of Vertebrate Paleontology 18 2 (suppl.), 1-68 |
| Smith J. B., Lamanna M. C., et al (2001) A giant sauropod dinosaur from an Upper Cretaceous mangrove deposit in Egypt, Science 292, 1704-1706 |
| Wilson J. A. (2002) Sauropod dinosaur phylogeny: critique and cladistic analysis, Zoological Journal of the Linnean Society 136, 217-276 |
| Powell J. E. (2003) Revision of South American titanosaurid dinosaurs: palaeobiological, palaeobiogeographical and phylogenetic aspects, Records of the Queen Victoria Museum Launceston 111, 1-173 |
| Franco-Rosas A. C., Salgado L., et al (2004) Nuevos materiales de titanosaurios (Sauropoda) en el Cretácico Superior de Mato Grosso, Brasil [New materials of titanosaurs (Sauropoda) from the Upper Cretaceous of Mato Grosso, Brazil], Revista Brasileira de Paleontologia 7 3, 329-336 |
| Martínez R. D., Giménez O., et al (2004) An articulated specimen of the basal titanosaurian (Dinosauria: Sauropoda) Epachthosaurus sciuttoi from the early Late Cretaceous Bajo Barreal Formation of Chubut province, Argentina, Journal of Vertebrate Paleontology 24 1, 107-120 |
| Upchurch P., Barrett P. M., et al (2004) Sauropoda, The Dinosauria (2nd edition). University of California Press, Berkeley, 259-322 |
| Martínez R. D., Novas F. E. (2006) Aniksosaurus darwini gen. et sp. nov., a new coelurosaurian theropod from the early Late Cretaceous of central Patagonia, Argentina, Revista del Museo Argentino de Ciencias Naturales, nuevo serie 8 2, 243-259 |
| Calvo J. O., González Riga B. J., et al (2007) A new titanosaur sauropod from the Late Cretaceous of Neuquén, Patagonia, Argentina, Arquivos do Museu Nacional, Rio de Janeiro 65 4, 485-504 |
| Calvo J. O., Porfiri J. D., et al (2007) A new Cretaceous terrestrial ecosystem from Gondwana with the description of a new sauropod dinosaur, Anais da Academia Brasileira de Ciências 79 3, 529-541 |
| González Riga B. J., Previtera E., et al (2009) Malarguesaurus florenciae gen. et sp. nov., a new titanosauriform (Dinosauria, Sauropoda) from the Upper Cretaceous of Mendoza, Argentina, Cretaceous Research 30 1, 135-148 doi:10.1016/j.cretres.2008.06.006 |
| Casal G., Ibiricu L. (2010) Materiales asignables a Epachthosaurus Powell, 1990 (Sauropoda: Titanosauria), de la Formación Bajo Barreal, Cretácico Superior, Chubut, Argentina [Materials assignable to Epachthosaurus Powell, 1990 (Sauropoda: Titanosauria), from the Bajo Barreal Formation, Upper Cretaceous, Chubut, Argentina], Revista Brasileira de Paleontologia 13 3, 247-256 doi:10.4072/rbp.2010.3.08 |
| Ksepka D. T., Norell M. A. (2010) The Illusory Evidence for Asian Brachiosauridae: New Material of Erketu ellisoni and a Phylogenetic Reappraisal of Basal Titanosauriformes, American Museum Novitates 3700, 1-27 |
| Filippi L. S., García R. A., et al (2011) A new titanosaur sauropod dinosaur from the Upper Cretaceous of North Patagonia, Argentina, Acta Palaeontologica Polonica 56 3, 505-520 |
| Mannion P. D., Calvo J. O. (2011) Anatomy of the basal titanosaur (Dinosauria, Sauropoda) Andesaurus delgadoi from the mid-Cretaceous (Albian–early Cenomanian) Río Limay Formation, Neuquén Province, Argentina: implications for titanosaur systematics, Zoological Journal of the Linnean Society 163, 155-181 |
| González Riga B. J., Ortiz David L. (2014) A New Titanosaur (Dinosauria, Sauropoda) from the Upper Cretaceous (Cerro Lisandro Formation) of Mendoza Province, Argentina, Ameghiniana 51 1, 3-25 doi:10.5710/AMGH.26.12.2013.1889 |
| Poropat S. F., Mannion P. D., et al (2016) New Australian sauropods shed light on Cretaceous dinosaur palaeobiogeography, Scientific Reports 6, 34467:1-12 |
| Carballido J. L., Pol D., et al (2017) A new giant titanosaur sheds light on body mass evolution among sauropod dinosaurs, Proceedings of the Royal Society of London B 284, 20171219:1-10 doi:10.1098/rspb.2017.1219 |
| González Riga B. J., Mannion P. D., et al (2018) Osteology of the Late Cretaceous Argentinean sauropod dinosaur Mendozasaurus neguyelap: implications for basal titanosaur relationships, Zoological Journal of the Linnean Society 184 1, 136-181 doi:10.1093/zoolinnean/zlx103/4816851 |
| Filippi L. S., Salgado L., et al (2019) A new giant basal titanosaur sauropod in the Upper Cretaceous (Coniacian) of the Neuquén Basin, Argentina, Cretaceous Research 100, 61-81 doi:10.1016/j.cretres.2019.03.008 |
| GBIF/Paleo Database - 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 |
| Ser Correlation Geol No. 7 - via The Interim Register of Marine and Nonmarine Genera |
| as per family - via The Interim Register of Marine and Nonmarine Genera |
Epachthosaurus ✝
