⚠ This taxon is a local entry, absent from the Paleobiology Database. Data may be incomplete or unverified.
Genus
Valid

Cryptarcus

Holmes et al. 2026

Cryptarcus is a genus of ceratopsid dinosaur found in the Dinosaur Park Formation of Alberta, dating to the middle Campanian age of the Late Cretaceous.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
0
Group
Dinosaures
Herbivore
Cryptarcus
click to enlarge
Cryptarcus ("Chasmosaurus") russelli holotype cranium (CMNFV 8800). (A) Skull in left lateral view (with restored jugal and lower jaw); (B) detail of snout in left lateral view; (C) detail of parietosquamosal frill in dorsal view; (D) detail of supraorbital review in dorsal view; (E) detail of es6 episquamosal; (F) detail of es7 episquamosal. Arrowheads in E and F point to margins of episquamosals. © Holmes et al. (2026) · CC BY 4.0 · Wikimedia
Wikipedia ↗
Classification
Dinosauria Unranked clade
›
Ornithischia Unranked clade
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Neornithischia Unranked clade
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Pyrodontia Unranked clade
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Cerapoda Unranked clade
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Marginocephalia Unranked clade
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Ceratopsia Suborder
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Ceratopsidae Family
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Chasmosaurinae Subfamily
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Cryptarcus Genus
Images 1
Référence bibliographique
Publication originale
2026 Holmes, Robert B.; Mallon, Jordan C.; Ryan, Michael J.; Evans, David C. (2026). "New information on the holotype of "Chasmosaurus" russelli (Ornithischia: Ceratopsidae) necessitates the establishment of a new genus to receive the species". Canadian Journal of Earth Sciences. 63: 0031. Bibcode:2026CaJES..63.0031H