Sagavanirktok Formation
74 distinct taxa, from 614 fossil occurrences the Paleobiology Database records under this name, spanning 66–3.6 Mya.
Alaska · US
74 taxa · 614 fossils · 66–3.6 MyaMembers recorded: Franklin Bluffs, Sagwon, Nuwok.
Macrostrat dates this rock 66–2.6 Ma. Macrostrat’s own record
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12 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
- Intratriporopollenites
- Caryapollenites
- Triatriopollenites
- Carya
- Pterocarya
- Alnipollenites verus
- Rhoipites
- Paraalnipollenites
- Nyssapollenites
- Ericipites
- Liquidambar
- Bombacacidites
- Trivestibulopollenites
- Alnus
- Astarte
- Tricolporopollenites
- Eucommia
- Horniella
- Tricolpites
- Triporopollenites
- Angiospermae
- Ilexpollenites
- Lanagiopollis
- Arctica
- Chlamys nuwokensis
- Cyrtodaria kurriana
- Nuculana
- Quercoidites
- Spiniferites
- Terebratula
- Thyasira
- Balanus crenatus
- Bombacacidites nacimientoensis
- Caryapollenites inelegans
- Cercidiphyllum
- Colus
- Cyclocardia
- Juglans
- Lunatia
- Periploma
The 40 most often recorded, of 74.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.