Earth:Eginsai Formation

Eginsai Formation Stratigraphic range: Late Campanian-early Maastrichtian ~72–68 Ma PreЄ Є O S D C P T J K Pg N ↓
Type	Geological formation
Lithology
Primary	Siltstone
Other	Phosphorite
Location
Coordinates
Paleocoordinates	[ ⚑ ] 45.5°N 56.1°E / 45.5; 56.1
Region	Kustanai
Country	Kazakhstan
Eginsai Formation (Kazakhstan)

The Eginsai Formation (Russian: Eginsai Svita) is a geological formation in Kazakhstan whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.

Fossil content

Color key Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon		Notes Uncertain or tentative taxa are in small text; crossed out taxa are discredited.

Birds

Birds of the Eginsai Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Image
Asiahesperornis	A. bazhanovi	Kustanai	Early Maastrichtian	Vertebrae, Tarsometatarsus, and Tibiotarsus.	A asiahesperornithine hesperornithid

Mollusks

Bivalves

Bivalves of the Eginsai Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Image
Turgaiscapha	T. kushmurunica	Kustanai	Late Campanian to Early Maastrichtian	Shell	A bivalve

See also

• List of dinosaur-bearing rock formations

References

Bibliography

• Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, https://books.google.com/books?id=vtZFDb_iw40C, retrieved 2019-02-21