Genus
Valid Extinct

Galeamopus

Tschopp et al. 2015

Galeamopus is a genus of herbivorous diplodocid sauropod dinosaurs. It contains two known species: Galeamopus hayi, known from the Late Jurassic lower Morrison Formation of Wyoming, United States, and Galeamopus pabsti, known from Wyoming and Colorado. The type species is known from one of the well-preserved diplodocid fossils, a nearly complete skeleton with an associated skull.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
6
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Galeamopus
click to enlarge
Skeleton of the dinosaur Galeamopus pabsti at the refurbished Cincinnati Museum Center at Union Terminal's Museum of Natural History © Fritzmann2002 · CC BY-SA 4.0 · 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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Diplodocoidea Unranked clade
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Diplodocimorpha Unranked clade
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Flagellicaudata Unranked clade
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Diplodocidae Unranked clade
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Diplodocinae Unranked clade
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Galeamopus Genus
Measurements
Length
18,2 m ⓘ
Galeamopus pabsti — min connu
23 m ⓘ
Galeamopus hayi — max connu
Mass
5 100 kg ⓘ
Galeamopus pabsti — min connu
10 000 kg ⓘ
Galeamopus hayi — max connu
Fossil sites 6 geolocated sites
Distribution
Top countries
🇺🇸 United States
6
Geological formations
Morrison
6
Temporal distribution
Tithonian (149.2–143.1 Ma)
5
Kimmeridgian (154.8–149.2 Ma)
1
Species (2)
Galeamopus hayi 155 Ma
Galeamopus pabsti 155 Ma
Images 2
Bibliography
Original description
E. Tschopp, O. Mateus, and R. B. J. Benson. 2015. A specimen-level phylogenetic analysis and taxonomic revision of Diplodocidae (Dinosauria, Sauropoda). PeerJ 3:e857 DOI ↗
Bibliography (4)
R. Lei, E. Tschopp, and C. Hendrickx, M. J. Wedel, M. A. Norell, D. W. E. Hone. 2023. Bite and tooth marks on sauropod dinosaurs from the Morrison Formation. PeerJ 11:16327:1-34 DOI ↗
E. Tschopp, S. C. R. Maidment, and M. C. Lamanna, M. A. Norell. 2019. Reassessment of a historical collection of sauropod dinosaurs from the northern Morrison Formation of Wyoming, with implications for sauropod biogeography. Bulletin of the American Museum of Natural History 437:1-79 DOI ↗
E. Tschopp and O. Mateus. 2017. Osteology of Galeamopus pabsti sp. nov. (Sauropoda: Diplodocidae), with implications for neurocentral closure timing, and the cervico-dorsal transition in diplodocids. PeerJ 5:e3179:1-126 DOI ↗
J. S. McIntosh. 1981. Annotated catalogue of the dinosaurs (Reptilia, Archosauria) in the collections of the Carnegie Museum of Natural History. Bulletin of Carnegie Museum of Natural History 18:1-67 DOI ↗