Bird Spring Formation
343 distinct taxa, from 842 fossil occurrences the Paleobiology Database records under this name, spanning 330–274 Mya.
Nevada, California · US
343 taxa · 842 fossils · 330–274 MyaMembers recorded: 1, 4, 5.
Macrostrat dates this rock 326–280 Ma. Macrostrat’s own record
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30 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
- Schwagerina
- Triticites
- Spiriferellina lata
- Antiquatonia
- Composita
- Pseudoschwagerina
- Pseudoschwagerina uddeni
- Tschussovskenia connorsensis
- Triticites cellamagnus
- Linoproductus
- Neosyringopora multattenuata
- Hustedia
- Spiriferellina
- Eoparafusulina linearis
- Leptotriticites californicus
- Leptotriticites hughesensis
- Neospirifer
- Orthotetes
- Protowentzelella variabilis
- Schwagerina vervillei
- Schwagerina wellsensis
- Spirifer increbescens
- Stewartina convexa
- Anthracospirifer
- Cleiothyridina
- Linoproductus prattenianus
- Rhipidomella
- Stewartina uber
- Cleiothyridina orbicularis
- Composita ovata
- Composita subtilita
- Crurithyris planoconvexa
- Grovesella tabasensis
- Leptotriticites
- Neospirifer cameratus
- Productus splendens
- Stewartina magnifica
- Anthracospirifer birdspringensis
- Composita subquadrata
- Cornwallatia tabularia
The 40 most often recorded, of 343.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.