Illtyd Formation
35 distinct taxa, from 52 fossil occurrences the Paleobiology Database records under this name, spanning 515–507 Mya.
Yukon Territory, Yukon · CA
35 taxa · 52 fossils · 515–507 MyaFiled under the Wernecke Group. Members recorded: Unit 6, Unit 3, Unit 5, Unit 2, Unit 4.
Macrostrat dates this rock 518–511 Ma. Macrostrat’s own record
Loading coastlines…
1 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
- Bonnia
- Olenellus
- Bonnia columbensis
- Antagmus ducketti
- Bolbolenellus sphaerulosus
- Bonnia laterispina
- Bonnima semidiscoidea
- Illtydaspis
- Illtydaspis ornata
- Poulsenia
- Zacanthopsis expansa
- Amecephalus
- Archaeocyatha
- Bonnia carnata
- Bonnia decora
- Bonnia quadrata
- Brachiopoda
- Elliptocephala logani
- Elliptocephala parvifrons
- Fieldaspis bilobata
- Helcionella
- Illtydaspis aphylla
- Illtydaspis quartetensis
- Olenellus bufrontis
- Olenellus getzi
- Olenellus nevadensis
- Olenellus parvofrontatus
- Olenellus romensis
- Piaziella
- Proliostracus ampliatus
- Salterella
- Salterella maccullochi
- Syspacephalus werneckensis
- Variopelta
- Variopelta brevicervicata
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.