Ampthill Clay
28 distinct taxa, from 66 fossil occurrences the Paleobiology Database records under this name, spanning 162–155 Mya.
Wiltshire, England, Yorkshire, Bedfordshire · UK
28 taxa · 66 fossils · 162–155 MyaMembers recorded: Marston Ironstone, Westbury Ironstone.
Macrostrat places this rock in the Ancholme Group, and dates it 162–155 Ma. Macrostrat’s own record
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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
- Ringsteadia brandesi
- Ringsteadia marstonensis
- Ringsteadia pseudocordata
- Ringsteadia pseudoyo
- Ringsteadia anglica
- Ringsteadia bassettensis
- Microbiplices anglicus
- Achistrum monochordata
- Protocardia
- Ringsteadia sphenoidea
- Thracia
- Achistrum (Cancellrum) pilgrimi
- Achistrum (Cancellrum) trichordata
- Achistrum gamma
- Achistrum issleri
- Ankylosauria
- Corbulomima
- Deltoideum
- Dicroloma
- Liopleurodon pachydeirus
- Nuculacea
- Paracidaris florigemma
- Perisphinctes
- Pliosaurus
- Procerithium
- Ringsteadia frequens
- Tarsophlebia eximia
- Tetraserpula
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.