Genus
Formal taxon Extinct

Triprismatoolithus

Jackson and Varricchio 2010

Triprismatoolithus is an oogenus of dinosaur egg native to Teton County, Montana. It is classified in the oofamily Arriagadoolithidae, the eggs of alvarezsaurs.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
2
Group
Dinosaures
Carnivore Ground dwelling, solitary Terrestrial
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PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
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Theropoda Unranked clade
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Triprismatoolithus Genus
Fossil sites 2 geolocated sites
Distribution
Top countries
🇺🇸 United States
2
Geological formations
Two Medicine
2
Temporal distribution
Campanian (83.6–72.2 Ma)
2
Species (1)
Triprismatoolithus stephensi 84 Ma
Bibliography
Original description
F. D. Jackson and D. J. Varricchio. 2010. Fossil eggs and eggshell from the lowermost Two Medicine Formation of western Montana, Sevenmile Hill locality. Journal of Vertebrate Paleontology 30(4):1142-1156 DOI ↗
Bibliography (1)
F. D. Jackson and D. J. Varricchio. 2010. Fossil eggs and eggshell from the lowermost Two Medicine Formation of western Montana, Sevenmile Hill locality. Journal of Vertebrate Paleontology 30(4):1142-1156 DOI ↗