Purisima Formation
82 distinct taxa, from 140 fossil occurrences the Paleobiology Database records under this name, spanning 12–1.8 Mya.
California · US
82 taxa · 140 fossils · 12–1.8 MyaMembers recorded: Tahana, Drakes Bay, pebble marker bed, Sandstone.
Macrostrat dates this rock 8.3–0.7 Ma. Macrostrat’s own record
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14 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
- Beringraja binoculata
- Balaenopteridae
- Callorhinus gilmorei
- Dusignathus santacruzensis
- Cetorhinus maximus
- Carcharodon carcharias
- Globicephalinae
- Phocoenidae
- Balaenoptera
- Herpetocetus
- Marzanoptera bertae
- Otariidae
- Thalassoleon macnallyae
- Anadara trilineata
- Cancer marri
- Chlamys (Swiftopecten) swifti
- Dusignathus seftoni
- Eubalaena
- Herpetocetus bramblei
- Nassarius (Caesia) grammatus
- Odontoceti
- Patinopecten healeyi
- Semirostrum ceruttii
- Squatina
- Valenictus sheperdi
- Acila (Truncacila) castrensis
- Balaenula
- Balanus gregarius
- Califostoma turris
- Carcharodon
- Carcharodon hastalis
- Cetacea
- Chlamys hastata
- Clinocardium (Clinocardium) nuttallii
- Crepidula
- Crepidula onyx
- Cryptochiton stelleri
- Delphinapterinae
- Delphinidae
- Dendraster
The 40 most often recorded, of 82.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.