Kootenai Formation
36 distinct taxa, from 172 fossil occurrences the Paleobiology Database records under this name, spanning 143–66 Mya.
Montana · US
36 taxa · 172 fossils · 143–66 MyaMacrostrat dates this rock 143–113 Ma. Macrostrat’s own record
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6 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
- Cladophlebis
- Marchantiolites blairmorensis
- Sagenopteris elliptica
- Sagenopteris williamsii
- Coniopteris hymenophylloides
- Coniopteris simplex
- Diettertia montanensis
- Pseudocycas douglasii
- Spermatophyta
- Sagenopteris mclearni
- Acrostichopteris longipennis
- Klukia canadensis
- Sphenopteris latiloba
- Cladophlebis constricta
- Cladophlebis oerstedi
- Ginkgo pluripartita
- Sphenopteris mclearni
- Zamites arcticus
- Cladophlebis virginiensis
- Equisetum montanense
- Hausmannia montanensis
- Minerisporites
- Sphenopteris brulensis
- Sphenopteris goepperti
- Arcellites
- Deltoidospora
- Deltoidospora hallii
- Equisetum cascadensis
- Filicales
- Hadrosauridae
- Lygobius knowltoni
- Metzgeriites montanensis
- Parazollopsis cascadensis
- Plesiosauria
- Sphenopteris
- Toxolophosaurus cloudi
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.