West Walton Formation
53 distinct taxa, from 53 fossil occurrences the Paleobiology Database records under this name, spanning 162–158 Mya.
England, Yorkshire · UK
53 taxa · 53 fossils · 162–158 MyaMembers recorded: Upware Limestone.
Macrostrat places this rock in the Ancholme Group, and dates it 162–155 Ma. Macrostrat’s own record
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2 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
- Actinostreon
- Anisocidaris smithii
- Arca
- Barbatia
- Bourguetia
- Chlamys
- Citharina
- Crustacea
- Ctenostreon
- Dimorpharaea
- Enaulofungia
- Eonavicula
- Fungiastraea
- Gastrochaena
- Gastrochaenopsis
- Gervillella
- Girvanella
- Hiatella
- Isastrea
- Isoarca
- Isocrinus
- Lenticulina
- Liostrea
- Lithophaga
- Metriomphalus
- Microsolena
- Modiolus
- Montlivaltia
- Moorellina
- Mytilus
- Nanogyra
- Neocrassina
- Nerinella
- Nubeculinella
- Nucleolites
- Opis
- Paracidaris
- Parallelodon
- Pentacrinites
- Plagiostoma
The 40 most often recorded, of 53.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.