Pysht Formation
117 distinct taxa, from 305 fossil occurrences the Paleobiology Database records under this name, spanning 34–20 Mya.
Washington · US
117 taxa · 305 fossils · 34–20 MyaFiled under the Twin River Group. Members recorded: Lower.
Macrostrat places this rock in the Twin River Group, and dates it 26–22 Ma. Macrostrat’s own record
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5 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
- Cassidulina crassipunctata
- Acila (Acila) gettysburgensis
- Callianopsis clallamensis
- Mursia marcusana
- Aturia angustata
- Fulgoraria (Musashia) ellenmooreae
- Liracassis apta
- Liracassis rex
- Macrocheira teglandi
- Mysticeti
- Solemya (Acharax) dalli
- Asthenognathus cornishorum
- Behemotops proteus
- Conchocele bisecta
- Gyroidina condoni
- Idas olympicus
- Olympicetus
- Osedax
- Palaega goedertorum
- Portunites triangulum
- Acrilla (Undiscala) olympicensis
- Idas
- Lucina
- Lucinoma acutilineata
- Macoma (Macoma) twinensis
- Naticidae
- Nucula
- Nucula (Acila) nelsoni
- Nuculana
- Nuculana posterolaevia
- Portlandia
- Propeamussium clallamensis
- Siderastrea vancouverensis
- Somniosus gonzalezi
- Thyasira
- Thyasira peruviana
- Tonsala hildegardae
- Trichopeltarion berglundorum
- Yoldia blakeleyensis
- Allodesmus
The 40 most often recorded, of 117.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.