Allt-Tair-Ffynnon Formation
20 distinct taxa, from 22 fossil occurrences the Paleobiology Database records under this name, spanning 458–455 Mya.
Wales · UK
20 taxa · 22 fossils · 458–455 MyaMacrostrat dates this rock 458–445 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
- Cryptolithus
- Kjaerina jonesi
- Asaphus
- Colaptomena
- Cyclonema crebristria
- Cymatonota verisimilis
- Cyrtolites nodosus
- Dalmanella
- Dalmanella horderleyensis
- Flexicalymene caractaci
- Flexicalymene planimarginata
- Gastropoda
- Goniophora
- Lophospira milleri
- Myodakryotus deigryn
- Orthodesma
- Pseudarca celtica
- Resserella canalis
- Trilobita
- Vanuxemia bulla
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.