Hanna Formation
42 distinct taxa, from 67 fossil occurrences the Paleobiology Database records under this name, spanning 63–51 Mya.
Wyoming · US
42 taxa · 67 fossils · 63–51 MyaMembers recorded: lower, upper.
Macrostrat dates this rock 63–58 Ma. Macrostrat’s own record
Loading coastlines…
3 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
- Arctocyon
- Mimotricentes
- Periptychus carinidens
- Tetraclaenodon
- Arctocyon ferox
- Paleotomus carbonensis
- Baiotomeus lamberti
- Ectocion
- Pantolambda cavirictus
- Plesiadapis
- Plesiolestes
- Promioclaenus lemuroides
- Ptilodus mediaevus
- Tricentes subtrigonus
- Acmeodon secans
- Anconodon
- Arctocyon acrogenius
- Bergaueria
- Coryphodon
- Dissacus
- Dissacus navajovius
- Euungulata
- Gelastops joni
- Gyrochorte
- Haplaletes disceptatrix
- Intyrictis vanvaleni
- Litomylus scaphicus
- Mioclaenus turgidus
- Neoplagiaulax
- Palaechthon alticuspis
- Pantodonta
- Parectypodus sylviae
- Paromomys
- Picrodus canpacius
- Plesiadapidae
- Promioclaenus acolytus
- Protoselene
- Ptilodus
- Rhizocorallium
- Sifrhippus grangeri
The 40 most often recorded, of 42.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.