San Lorenzo Formation
91 distinct taxa, from 146 fossil occurrences the Paleobiology Database records under this name.
The Paleobiology Database files this name in 2 countries. That can be one body of rock crossing a border, or two rocks that happen to share a name. The database does not say which, so nothing below is added across them.
California · US
78 taxa · 132 fossils · 38–20 MyaMembers recorded: Vaqueros Sandstone, Twobar Shale, Rices Mudstone.
Macrostrat dates this rock 56–23 Ma. Macrostrat’s own record
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4 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
- Cassidulina crassipunctata
- Discammina eocenica
- Robulus warmani
- Anomalina californiensis
- Cibicides pseudoungerianus
- Cyclammina clarki
- Cyclammina incisa
- Gyroidina orbicularis
- Plectina ruthenica
- Plectofrondicularia vaughani
- Robulus arcuatostriatus
- Robulus propinquus
- Astraea (Pomaulax) morani
- Buliminella subfusiformis
- Chione (Anomalocardia) latilaminosa
- Dallocardia vaquerosense
- Dosinia (Dosinidia) margaritana
- Ephedripites
- Eponides kleinpelli
- Glycymeris
- Hybolophus granti
- Macrochlamis magnolia
- Plectofrondicularia miocenica
- Robulus simplex
- Turritella inezana
- Virgulina bramlettei
- Acila
- Ailanthipites
- Anadara
- Balanus
- Bivalvia
- Bombacacidites
- Bombacacidites nacimientoensis
- Bruclarkia
- Calyptraea inornata
- Carya
- Cassidulina globosa
- Cetacea
- Chenopodipollis
- Chlamys sespeensis
The 40 most often recorded, of 78.
Recorded under country code BO
13 taxa · 14 fossils · 477–468 MyaLoading 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
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.