Builth Volcanic Formation
27 distinct taxa, from 28 fossil occurrences the Paleobiology Database records under this name, spanning 468–458 Mya.
Wales · UK
27 taxa · 28 fossils · 468–458 MyaLoading coastlines…
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
- Crinoidea
- Brevicirrus arenaceus
- Caleidocrinus (Huxleyocrinus) turgidulus
- Cefnocrinus samgilmouri
- Echinosphaerites granulatus
- Geisonoceratidae
- Hudsonaster
- Iocrinus llandegleyi
- Iocrinus whitteryi
- Mesopalaeaster
- Microastraeum tenuis
- Microspongia
- Miritubus erinaceus
- Onerosiconcha gregalia
- Ordinisabulo quadragintaforma
- Palaeocallyoides improbabilis
- Polycornua entropus
- Polycornua trescelestus
- Promopalaeasteridae
- Pseudolancicula exigua
- Pseudorthocerida
- Pyritonema scopula
- Reticulicymbalum tres
- Spissiparies minuta
- Strandoceras
- Triactinella rigbyi
- Vadosifistula milvus
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.