Emigrant Formation
88 distinct taxa, from 258 fossil occurrences the Paleobiology Database records under this name, spanning 539–471 Mya.
Nevada, California · US
88 taxa · 258 fossils · 539–471 MyaMembers recorded: Lower.
Macrostrat dates this rock 514–487 Ma. Macrostrat’s own record
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10 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
- Onchocephalites claytonensis
- Oryctocephalus americanus
- Tonopahella goldfieldensis
- Eokochaspis nodosa
- Oryctocephalus indicus
- Microryctocara nevadensis
- Amecephalus arrojosensis
- Oryctocephalites runcinatus
- Syspacephalus variosus
- Wenkchemnia sulcata
- Chancelloria
- Mellopegma chelata
- Wenkchemnia walcotti
- Brachiopoda
- Costipelagiella nevadense
- Eokochaspis piochensis
- Ptychoparella
- Quasimodaspis brentsae
- Eokochaspis longspina
- Esmeraldacaris richardsonae
- Olenellus
- Oryctocephalites
- Pagetia aspinosa
- Ptychopariidae
- Syspacephalus laticeps
- Allonnia
- Bolbolenellus brevispinus
- Echinodermata
- Euptychaspis
- Onchocephalus
- Onchocephalus maior
- Oryctocephalus
- Ovatoryctocara
- Pagetia
- Parkula
- Parkula esmeraldina
- Pentagnostus brighamensis
- Poliella
- Porifera
- Achlysopsis brighamensis
The 40 most often recorded, of 88.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.