Dinosaur Park Formation

Apr 20, 2026 - 10:10

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← Previous revision		Revision as of 04:39, 20 April 2026
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	\| Lower, 76.5-76Ma ago		\| Lower, 76.5-76Ma ago
	\| A nearly complete skull.{{cite journal \| url=https://cdnsciencepub.com/doi/10.1139/cjes-2025-0031#sec-3 \| title=New information on the holotype of “Chasmosaurus” russelli (Ornithischia: Ceratopsidae) necessitates the establishment of a new genus to receive the species \| journal=Canadian Journal of Earth ~~Scienc~~ \| last1=Holmes \| first1=Robert B. \| last2=Mallon \| first2=Jordan C. \| last3=Ryan \| first3=Michael J. \| last4=Evans \| first4=David C. \| year=2026 \| volume=63 \| pages=1–20 \| doi=10.1139/cjes-2025-0031\| doi-access=free }}		\| A nearly complete skull.{{cite journal \| url=https://cdnsciencepub.com/doi/10.1139/cjes-2025-0031#sec-3 \| title=New information on the holotype of “Chasmosaurus” russelli (Ornithischia: Ceratopsidae) necessitates the establishment of a new genus to receive the species \| journal=Canadian Journal of Earth Sciences \| last1=Holmes \| first1=Robert B. \| last2=Mallon \| first2=Jordan C. \| last3=Ryan \| first3=Michael J. \| last4=Evans \| first4=David C. \| year=2026 \| volume=63 \| pages=1–20 \| doi=10.1139/cjes-2025-0031\| doi-access=free }}
	\|A chasmosaurine ceratopsid. Formerly assigned to ''Chasmosaurus''.		\|A chasmosaurine ceratopsid. Formerly assigned to ''Chasmosaurus''.
	\|[[File:Cryptarcus russelli.png\|center\|200px]]		\|[[File:Cryptarcus russelli.png\|center\|200px]]