Sheguiandah Formation
21 distinct taxa, from 30 fossil occurrences the Paleobiology Database records under this name, spanning 451–450 Mya.
Ontario, Québec · CA
21 taxa · 30 fossils · 451–450 MyaMembers recorded: Meaford.
Macrostrat dates this rock 458–449 Ma. Macrostrat’s own record
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9 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
- Drymocrinus manitoulinensis
- Laccoprimitia centralis
- Paracyrtolites carinatus
- Sinuites cancellatus
- Ctenodonta madisonensis
- Byssonychia vera
- Bythocypris cylindrica
- Calymene granulosa
- Clidophorus tamarackensis
- Cryptolithus tessellatus
- Hormotoma gracilis
- Hormotoma gracilis angustatus
- Iocrinus subcrassus
- Jonesella crepidiformis
- Lepidocoleus jamesi
- Leptobolus insignis
- Lichenocrinus obliquus
- Plectambonites sericeus
- Pterinea demissa
- Rhynchotrema tamarackensis
- Triarthrus eatoni
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.