San Mateo Formation
64 distinct taxa, from 96 fossil occurrences the Paleobiology Database records under this name, spanning 23–2.6 Mya.
California · US
64 taxa · 96 fossils · 23–2.6 MyaMembers recorded: upper gravel conglomerate unit, lower white sandstone unit.
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3 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
- Hydrodamalis cuestae
- Balaenopteridae
- Carcharodon carcharias
- Equini
- Isurus oxyrinchus
- Otariinae
- Aves
- Camelidae
- Carcharodon hastalis
- Cepphus
- Gavia
- Myliobatoidea
- Nannocetus
- Odobeninae
- Oncorhynchus rastrosus
- Otodus megalodon
- Panalcidae
- Phocoenidae
- Scaldicetus grandis
- Semicossyphus
- Accipitridae
- Aepycamelus
- Aethia
- Aethia barnesi
- Arctocephalus
- Balaenula
- Camelinae
- Carcharhinus
- Carcharodon
- Cepphus olsoni
- Chimaeridae
- Dasyatidae
- Delphinapterinae
- Delphinidae
- Delphinoidea
- Diomedea
- Enhydritherium terraenovae
- Falco
- Falconidae
- Hemiauchenia
The 40 most often recorded, of 64.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.