Horseshoe Canyon Formation
142 distinct taxa, from 348 fossil occurrences the Paleobiology Database records under this name, spanning 84–66 Mya.
Alberta · CA
142 taxa · 348 fossils · 84–66 MyaFiled under the Edmonton Group. Members recorded: Tolman, Horsethief, Morrin/Tolman, Drumheller, Morrin, Bleriot, Carbon.
Macrostrat places this rock in the Edmonton Group, and dates it 71–68 Ma. Macrostrat’s own record
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34 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Albertosaurus sarcophagus
- Hadrosauridae
- Anodontosaurus lambei
- Hypacrosaurus altispinus
- Troodon
- Edmontosaurus regalis
- Ceratopsidae
- Saurolophus
- Tyrannosauridae
- Anchiceratops ornatus
- Atrociraptor marshalli
- Ceratopsia
- Ornithomimidae
- Anura
- Cyclurus
- Dromiceiomimus brevitertius
- Holostei
- Myledaphus
- Opisthotriton
- Ornithomimus edmontonicus
- Scapherpeton
- Albertavenator curriei
- Albertosaurus
- Avialae
- Coriops
- Crocodylia
- Dromaeosaurinae
- Richardoestesia gilmorei
- Acanthomorphata
- Ankylosauridae
- Azollopsis
- Champsosaurus
- Chelydridae
- Didelphodon coyi
- Dinosauria
- Edmontosaurus
- Equisetum
- Metatheria
- Pachyrhinosaurus
- Parksosaurus warreni
The 40 most often recorded, of 142.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.