Kamishak Formation
47 distinct taxa, from 80 fossil occurrences the Paleobiology Database records under this name, spanning 227–200 Mya.
Alaska · US
47 taxa · 80 fossils · 227–200 MyaMembers recorded: lower, Upper.
Macrostrat dates this rock 227–201 Ma. Macrostrat’s own record
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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
- Kammerkarites frigga
- Spongiomorpha
- Heterastridium
- Saxoceras
- Anthozoa
- Discamphiceras silberlingi
- Elysastraea
- Ceriostella
- Discamphiceras reissi
- Euphyllites
- Franziceras
- Gastropoda
- Monotis (Monotis) alaskana
- Monotis (Pacimonotis) subcircularis
- Montlivaltia
- Saxoceras portlocki
- Thecosmilia
- Amusium
- Bivalvia
- Brachiopoda
- Cassianella
- Coccophyllum
- Crinoidea
- Discamphiceras
- Germanonautilus
- Gryphaea
- Halorites
- Kammerkarites megastoma
- Lytoceratidae
- Metasibirites
- Minetrigonia
- Mullerites pleuroacanthitoides
- Myophoria
- Ostrea
- Palaeopharus
- Pecten
- Pentacrinites
- Pinna
- Pinnigena
- Pleuroacanthites mulleri
The 40 most often recorded, of 47.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.