Somerset Island Formation
24 distinct taxa, from 43 fossil occurrences the Paleobiology Database records under this name, spanning 427–413 Mya.
Nunavut, Northwest Territories · CA
24 taxa · 43 fossils · 427–413 MyaMembers recorded: Upper, Lower.
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8 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
- Traquairaspis
- Acanthodii
- Corvaspis
- Heliolites
- Torpedaspis elongata
- Alainaspis platyrhina
- Boothiaspis ovata
- Pionaspis
- Rhachiaspis pteriga
- Ulutitaspis notidana
- Anchipteraspis crenulata
- Ariaspis arctata
- Boothialepis thorsteinssoni
- Boothiaspis alata
- Brachiopoda
- Canonia grossi
- Capitaspis giblingi
- Corveolepis arctica
- Cyathaspididae
- Hemicyclaspis murchisoni
- Nikolivia elongata
- Ostracoda
- Pionaspis acuticosta
- Traquairaspidae
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.