Twin River Formation
20 distinct taxa, from 43 fossil occurrences the Paleobiology Database records under this name, spanning 34–23 Mya.
Washington · US
20 taxa · 43 fossils · 34–23 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
- Liracassis apta
- Solemya (Acharax) dalli
- Acila (Acila) gettysburgensis
- Lucina
- Macoma (Macoma) twinensis
- Bathybembix turbonata
- Fusinus (Priscofusus) hannibali
- Thracia (Homoeodesma) trapezoides
- Turritella diversilineata
- Acesta (Acesta) twinensis
- Acteon
- Aforia clallamensis
- Ancistrolepis clarki teglandae
- Aturia angustata
- Cancellaria
- Cochlodesma bainbridgensis
- Conchocele bisecta
- Pandora (Pandorella) vanwinkleae
- Panopea abrupta
- Yoldia
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.