Simi Formation
26 distinct taxa, from 26 fossil occurrences the Paleobiology Database records under this name, spanning 59–56 Mya.
California · US
26 taxa · 26 fossils · 59–56 MyaLoading coastlines…
2 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
- Acrilla (Ferminoscala) durhami
- Acrilla procerus
- Acutostrea simiensis
- Amauropsis meierensis
- Atrina triangularis
- Bucardiomya mounti
- Diplodonta (Zemysina) pacifica
- Eocernina hespericosta
- Fulgoraria (Psephaea) zinsmeisteri
- Fulgurofusus darraghi
- Fulgurofusus waringi
- Gilbertina popenoei
- Gyrineum judithi
- Gyrodes (Gyrodes) robustus
- Heteroterma acrita
- Margarites semiornata
- Nekewis simiensis
- Parasyrinx hickmani
- Perissitys stewarti
- Pitar addicotti
- Pitar murphyi
- Propustularia kemperae
- Pyropsis fantozzii
- Tellina (Saulella) undulifera
- Turritella cornuatus
- Urosyca caudata
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.