Genus
Valid Extinct

Sauroposeidon

Wedel et al. 2000
Etymology Reptile de Poseidon ''(Poseidon étant le dieu Grec des océans mais aussi des tremblements de terre, une allusion au poids de ce dinosaure dont les pas auraient pu faire trembler le sol)''.

Sauroposeidon is a genus of sauropod dinosaur known from several incomplete specimens including a bone bed and fossilized trackways that have been found in the U.S. states of Oklahoma, Wyoming, and Texas.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
6
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Sauroposeidon
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Wikimedia
Sauroposeidon
Sauroposeidon
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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Sauroposeidon Genus
Measurements
Length
29 m ⓘ
Sauroposeidon proteles 
Mass
40 000 kg ⓘ
Sauroposeidon proteles 
Fossil sites 6 geolocated sites
Distribution
Top countries
🇺🇸 United States
6
Geological formations
Cloverly
3
Antlers
1
Twin Mountains
1
Holly Creek
1
Temporal distribution
Albian (113.2–100.5 Ma)
5
Aptian (121.4–113.2 Ma)
1
Species (2)
Paluxysaurus jonesi subjective synonym of Sauroposeidon proteles 121 Ma
Sauroposeidon proteles 121 Ma
Synonyms (1)
Paluxysaurus subjective synonym of Sauroposeidon
News 1
Sauroposeidon: Beast of the Week
Sauroposeidon: Beast of the Week
United States Cretaceous Early Cretaceous Dinosauria Sauroposeidon
 This week we will be checking out a huge dinosaur with an equally impressive name.  Enter Sauroposeidon proteles!Sauroposeidon was a sauropod dinosaur (long neck) that lived in what is now Oklahoma, Texas, and Wyoming, USA, during the early Cretaceous period, about 113 million years ago.  Its genus name translates to "Lizard Earthquake God" after the Greek god, Poseidon, who in addition to his more famous association with the ocean, was also the god of earthquakes in Greek mythology. Since not
14/06/2026 prehistoricbeastoftheweek
Images 2
Bibliography
Original description
M. J. Wedel, R. L. Cifelli, and R. K. Sanders. 2000. Sauropseidon proteles, a new sauropod from the Early Cretaceous of Oklahoma. Journal of Vertebrate Paleontology 20(1):109-114 DOI ↗
Bibliography (5)
C. A. Suarez, J. Frederickson, and R. L. Cifelli, J. G. Pittman, R. l. Nydam, R. K. Hunt-Foster, K. Morgan. 2021. A new vertebrate fauna from the Lower Cretaceous Holly Creek Formation of the Trinity Group, southwest Arkansas, USA. PeerJ 9(e12242):1-60 DOI ↗
M. D. D'Emic and B. Z. Foreman. 2012. The beginning of the sauropod dinosaur hiatus in North America: insights from the Lower Cretaceous Cloverly Formation of Wyoming. Journal of Vertebrate Paleontology 32(4):883-902 DOI ↗
M. D. D'Emic, K. M. Melstrom, and D. R. Eddy. 2012. Paleobiology and geographic range of the large-bodied Cretaceous theropod dinosaur Acrocanthosaurus atokensis. Palaeogeography, Palaeoclimatology, Palaeoecology 333-334:13-23 DOI ↗
P. J. Rose. 2007. A new titanosauriform sauropod (Dinosauria: Saurischia) from the Early Cretaceous of central Texas and its phylogenetic relationships. Palaeontologia Electronica 10(2):8A-1-8A-65
M. J. Wedel, R. L. Cifelli, and R. K. Sanders. 2000. Sauropseidon proteles, a new sauropod from the Early Cretaceous of Oklahoma. Journal of Vertebrate Paleontology 20(1):109-114 DOI ↗