Slope Formation
37 distinct taxa, from 38 fossil occurrences the Paleobiology Database records under this name, spanning 61–58 Mya.
North Dakota · US
37 taxa · 38 fossils · 61–58 MyaMacrostrat places this rock in the Fort Union Group, and dates it 63–58 Ma. Macrostrat’s own record
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2 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
- Acipenser
- Aletodon quadravus
- Bisonalveus holtzmani
- Carpodaptes hazelae
- Champsosaurus
- Dorraletes diminutivus
- Ectocion collinus
- Ectypodus
- Graculavidae
- Ignacius frugivorus
- Insectivora
- Kosmodraco dakotensis
- Lepisosteus
- Leptacodon tener
- Litocherus zygeus
- Mesodma pygmaea
- Miacidae
- Nannodectes
- Neoplagiaulax
- Neoplagiaulax hunteri
- Odontaspis
- Opisthotriton
- Palaeoryctes punctatus
- Paleotomus senior
- Pararyctes pattersoni
- Parectypodus
- Peradectes elegans
- Piceoerpeton willwoodense
- Picrodontidae
- Plesiadapis rex
- Propalaeosinopa albertensis
- Protictis paralus
- Ptilodus montanus
- Simoedosauridae
- Thryptacodon australis
- Titanoides primaevus
- Unuchinia dysmathes
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.