Genus
Valid Extinct

Epachthosaurus

Powell 1990
Etymology Du Grec ''epachthos'', lourd ou lent et de ''sauros'', lézard.

Epachthosaurus was a genus of titanosaurian sauropod dinosaur, belonging to Lithostrotia, from the Late Cretaceous of Central and Northern Patagonia in South America.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
3
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Epachthosaurus
click to enlarge
Museo Egidio Feruglio, Trelew. Esqueleto de un Epachtosaurus. © Gastón Cuello · CC BY-SA 3.0 · Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
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Saurischia Unranked clade
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Sauropodomorpha Unranked clade
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Massopoda Unranked clade
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Sauropodiformes Unranked clade
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Sauropoda Unranked clade
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Gravisauria Unranked clade
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Eusauropoda Unranked clade
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Neosauropoda Unranked clade
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Macronaria Unranked clade
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Titanosauriformes Unranked clade
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Somphospondyli Unranked clade
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Titanosauria Unranked clade
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Lithostrotia Unranked clade
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Epachthosaurus Genus
Measurements
Length
12,7 m ⓘ
Epachthosaurus sciuttoi 
Mass
4 300 kg ⓘ
Epachthosaurus sciuttoi 
Fossil sites 3 geolocated sites
Distribution
Top countries
🇦🇷 Argentina
3
Geological formations
Bajo Barreal
3
Temporal distribution
Cenomanian (100.5–93.9 Ma)
3
Species (1)
Epachthosaurus sciuttoi 101 Ma
Images 2
Bibliography
Original description
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
Bibliography (3)
G. Casal and L. Ibiricu. 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 ↗
R. D. Martínez, O. Giménez, and J. Rodríguez, M. Luna, M. C. Lamanna. 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 DOI ↗
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