Denver Formation
171 distinct taxa, from 633 fossil occurrences the Paleobiology Database records under this name, spanning 72–56 Mya.
Colorado · US
171 taxa · 633 fossils · 72–56 MyaMacrostrat dates this rock 67–65 Ma. Macrostrat’s own record
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26 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
- Vertebrata
- Testudines
- Crocodylia
- Periptychus coarctatus
- Trionychidae
- Dicotyledoneae
- Baenidae
- Ceratopsidae
- Hoplochelys
- Mammalia
- Axestemys
- Ectoconus ditrigonus
- Compsemys victa
- Borealosuchus sternbergii
- Cryptodira
- Plastomenidae
- Adocus
- Compsemys
- Taeniolabis taoensis
- Tavachelydra stevensoni
- Trionyx singularis
- Tyrannosaurus rex
- Baenodd
- Champsosaurus
- Dromaeosauridae
- Ficus planicostata
- Loxolophus
- Neurankylus
- Ornithomimus velox
- Plastomenus joycei
- Allantodiopsis erosa
- Basilemys sinuosa
- Ceratopsia
- Dinosauria
- Hadrosauridae
- Lepisosteus
- Periptychus
- Trionychinae
- Ampliconus browni
- Ankylosauria
The 40 most often recorded, of 171.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.