Bobcaygeon Formation
276 distinct taxa, from 501 fossil occurrences the Paleobiology Database records under this name, spanning 458–445 Mya.
Ontario, Quebec · CA
276 taxa · 501 fossils · 458–445 MyaFiled under the Simcoe Group. Members recorded: Coboconk, Hull, Kirkfield, Middle - Upper, upper.
Macrostrat places this rock in the Trenton Group, and dates it 457–455 Ma. Macrostrat’s own record
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10 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
- Rafinesquina
- Opikina
- Lichenaria
- Nicholsonella
- Prasopora
- Anazyga recurvirostra
- Ceraurus
- Ceraurus pleurexanthemus
- Hormotoma gracilis
- Lambeophyllum profundum
- Lophospira
- Rhynchotrema increbescens
- Crinoidea
- Dalmanella
- Helicotoma planulata
- Hesperorthis tricenaria
- Leperditia
- Maclurina logani
- Omospira trentonensis
- Phragmolites compressus
- Platystrophia
- Receptaculites
- Sowerbyella
- Sowerbyella curdsvillensis
- Strophomena incurvata
- Tetradium
- Asteroidea
- Bathyurus
- Bumastus
- Cleiocrinus
- Cremacrinus
- Eoleperditia
- Eroicaspira bellicincta
- Favositella
- Foerstephyllum
- Gabriceraurus dentatus
- Hemiphragma
- Hybocystites
- Isotelus
- Isotelus gigas
The 40 most often recorded, of 276.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.