Pancho Rico Formation
159 distinct taxa, from 543 fossil occurrences the Paleobiology Database records under this name, spanning 23–5.3 Mya.
California · US
159 taxa · 543 fossils · 23–5.3 MyaMacrostrat dates this rock 23–5.3 Ma. Macrostrat’s own record
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22 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
- Leporimetis obesa
- Ostrea (Ostrea) atwoodii
- Lyropecten terminus
- Macoma nasuta
- Balanus gregarius
- Turritella cooperi
- Anadara trilineata
- Solena (Eosolen) perrini
- Callithaca tenerrima
- Calyptraea
- Calyptraea filosa
- Forreria belcheri
- Glossaulax reclusiana
- Lucinisca
- Pusio kettlemanensis
- Caesia californiana
- Cryptomya californica
- Dallocardia quadragenarium
- Lirobittium casmaliense
- Nassarius (Caesia) grammatus
- Turritella vanvlecki
- Balanus
- Crucibulum
- Nodipecten estrellanus
- Astrodapsis spatiosus
- Bittium
- Calicantharus fortis
- Calliostoma coalingensis
- Chlamys
- Crepidula
- Lyropecten
- Megasurcula
- Panopea abrupta
- Patinopecten lohri
- Turritella
- Astrodapsis arnoldi
- Calliostoma ligatum
- Clavus (Clathrodrillia) coalingensis
- Coanicardita californica
- Crassispira
The 40 most often recorded, of 159.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.