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Severn Formation
Severn Formation
; Stratigraphic range: Maastrichtian PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation

The Severn Formation is a Mesozoic geologic formation in Maryland. Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.^[1]

Paleofauna

^ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m Baird, Donald (1986). "Upper Cretaceous Reptiles from the Severn Formation of Maryland". The Mosasaur. 3: 63–85.
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y ^z ^aa ^ab ^ac ^ad ^ae ^af ^ag ^ah ^ai ^aj ^ak ^al ^am ^an ^ao ^ap Hartstien, Eugene F; Decina, Lawrence E; Keil, Ronald F (1999). "A Late Cretaceous (Severn Formation) Vertebrate Assemblage from Bowie, Maryland". The Mosasaur. 6: 17–23.
^ Holmes, Robert B.; Sues, Hans-Dieter (2000). "A Partial Skeleton of the Basal Mosasaur Halisaurus platyspondylus from the Severn Formation (Upper Cretaceous: Maastrichtian) of Maryland". Journal of Paleontology. 74 (2): 309–316. JSTOR 1306908.

Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.

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