Table 2. HR Bonebed taxa represented.

Nanotyrannus designation based on Larson [37].

Mollusca					Number of Elements
	Gastropoda indet.				27
	Pelecypoda (Bivalvia) indet.				16
Chondrichthyes
	Rajiformes–Rajidae (skates)				3
Actinopterygii
	Lepisosteiformes–Lepisosteidae–Lepisosteus (gar)				5
	Actinopterygii indet.				18
		Teleostei indet.			2
Reptilia
	Reptilia indet.				165
	Testudines indet. (turtles)				74
	Squamata indet. (lizards and snakes)				4
	Archosauria
		Aves indet. (birds)			30
		Crocodylia indet.			34
			Crocodyloidea—Leidyosuchus		17
			Alligatoroidea—Brachychampsa		34
		Saurischia
			Theropoda–indet.		121
			Tyrannosauridae
				Tyrannosaurus	56
				Nanotyrannus	135
				Aublysodon–like forms	3
			Troodontidae—Troodon		52
			Dromaeosauridae
				Acheroraptor	128
				Dromaeosaurus indet.	3
			Coelurosauria indet.—Richardoestesia		5
			Ornithomimosauria—Struthiomimus		4
		Ornithischia
			Hadrosauridae–Probable Edmontosaurus		12,503
			Pachycephalosauridae–Pachycephalosaurus		5
			Ceratopsidae—Triceratops		103
			Nodosauridae—Nodosaurus		4
			Thescelosauridae—Thescelosaurus		4
Mammalia indet.					2