Baird Formation
233 distinct taxa, from 531 fossil occurrences the Paleobiology Database records under this name, spanning 359–274 Mya.
California · US
233 taxa · 531 fossils · 359–274 MyaMembers recorded: Hirz Mountain Limestone.
Macrostrat dates this rock 359–299 Ma. Macrostrat’s own record
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5 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
- Fenestellida
- Fluctuaria
- Rhabdomesida
- Schuchertella
- Blastozoa
- Lissomarginifera shastensis
- Parallelodon
- Rugosochonetes californicus
- Acanthocladiidae
- Dictyoclostinae
- Paladin bairdensis
- Rhipidomella
- Etheripecten
- Foraminifera
- Schizodus
- Astartella
- Hustedia
- Streblopteria
- Cleiothyridina
- Euomphalus
- Nautiloidea
- Neilsonia
- Orthotichia nawtawaketensis
- Ovatia
- Schizophoria
- Stenoscismatoidea
- Streblochondria
- Annuliconcha interlineata
- Aviculopecten
- Bakevellia
- Bivalvia
- Brachiopoda
- Krotovia
- Pectinida
- Pernopecten ohioensis
- Pleurotomarioidea
- Rhynchopora
- Scaphopoda
- Setigerites
- Spirifer
The 40 most often recorded, of 233.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.