Sekwi Formation
124 distinct taxa, from 284 fossil occurrences the Paleobiology Database records under this name, spanning 539–487 Mya.
Northwest Territories, Northern Territories, British Columbia, Yukon · CA
124 taxa · 284 fossils · 539–487 MyaFiled under the Atan Group. Members recorded: Limestone, Campito, Swiss Cheese Unit.
Macrostrat dates this rock 523–501 Ma. Macrostrat’s own record
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15 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
- Olenellus
- Kootenia diutina
- Wanneria
- Pagetides spinulus
- Cordilleracyathus blussoni
- Nevadella
- Renalcis
- Keeleaspis pustula
- Keeleaspis stupenda
- Judomia absita
- Metaldetes
- Olenellus puertoblancoensis
- Tabulaconus
- Trilobita
- Yukonides lacrinus
- Bonnia
- Holmiella preancora
- Nevadella faceta
- Archaeopharetra
- Bradyfallotaspis nicolascagei
- Claruscoscinus billingsi
- Coscinocyathus fritzi
- Elliptocephala jaredi
- Epiphyton
- Ethmophyllum whitneyi
- Holmiella domackae
- Holmiella falcuta
- Pycnoidocyathus
- Sekwiaspis artifrons
- Serrodiscus mackenziensis
- Zacanthopsis stribuccus
- Archaeocyathus
- Archaeocyathus arborensis
- Archaeosycon
- Bonnia laterispina
- Bradyfallotaspis
- Bradyfallotaspis coriae
- Bradyfallotaspis fusa
- Bradyfallotaspis patula
- Bradyfallotaspis sekwiensis
The 40 most often recorded, of 124.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.