Etchegoin Formation
146 distinct taxa, from 361 fossil occurrences the Paleobiology Database records under this name, spanning 23–1.4 Mya.
California · US
146 taxa · 361 fossils · 23–1.4 MyaMembers recorded: Patinopecten Zone, Macoma Zone, middle.
Macrostrat dates this rock 8.3–2.8 Ma. Macrostrat’s own record
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20 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
- Anadara trilineata
- Patinopecten lohri
- Tresus nuttallii
- Caesia californiana
- Calyptraea filosa
- Dendraster gibbsii
- Glycymeris septentrionalis
- Ostrea (Ostrea) atwoodii
- Pseudocardium densatum
- Callianax biplicata
- Nanaochlamys nutteri
- Swiftopecten parmeleei parmaleei
- Concavus concavus
- Mytilus (Crenomytilus) coalingensis
- Oppenheimopecten coalingaensis
- Panopea generosa
- Tritonalia tethys
- Argopecten circularis impostor
- Calliostoma coalingensis
- Camelidae
- Cervidae
- Cryptomya californica
- Cryptonatica affinis
- Dendostrea vespertina
- Diplodonta parilis
- Lyropecten terminus
- Macoma (Macoma) inquinata affinis
- Polinices (Euspira) galianoi
- Pusio kettlemanensis
- Saxidomus nuttalli
- Thais lamellosa
- Callithaca tenerrima
- Cancer fissus
- Chlamys egregius
- Clavus (Clathrodrillia) coalingensis
- Equini
- Forreria magister
- Mactromeris coalingensis
- Moniliopsis graciosana mercedensis
- Securella staleyi
The 40 most often recorded, of 146.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.