Headon Beds Formation
217 distinct taxa, from 424 fossil occurrences the Paleobiology Database records under this name, spanning 38–34 Mya.
England · UK
217 taxa · 424 fossils · 38–34 MyaMembers recorded: Lower, Middle, Upper, Mammal Bed, Rolled-bone.
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4 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
- Cyrena
- Limnaea
- Planorbis
- Potamides
- Thiara
- Melanopsis
- Paludina
- Erodona
- Serpula
- Teleostei
- Trionyx henrici
- Unio
- Neritina
- Carpolithus
- Cytherea (Amiantis) incrassata
- Emys
- Fusus
- Lymnaea
- Mammalia
- Adelomys
- Cerithium
- Nucula
- Ostrea
- Planorbis rotundatus
- Rodentia
- Serpentes
- Trionyx
- Athleta (Volutospina) spinosa
- Aves
- Bithynia
- Brasenia
- Chara
- Corbula
- Crocodylia
- Cubitostrea flabellula
- Dichobune
- Divalinga
- Dreissena
- Helix
- Icacinicarya
The 40 most often recorded, of 217.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.