Alturas Formation
51 distinct taxa, from 74 fossil occurrences the Paleobiology Database records under this name, spanning 5.3–1.4 Mya.
California · US
51 taxa · 74 fossils · 5.3–1.4 MyaMacrostrat dates this rock 5.3–2.6 Ma. Macrostrat’s own record
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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
- Fontelicella (Natricola) melina
- Gyraulus
- Catostomus
- Cyclotella
- Cymbella
- Gila
- Mimomys sawrockensis
- Osteichthyes
- Pinnularia
- Pisidium
- Ptychocheilus arciferus
- Rhopalodia
- Valvata
- Valvata humeralis
- Vorticifex
- Vorticifex lasseni
- Acrocheilus
- Anas
- Anodonta
- Campylodiscus
- Candona
- Chasmistes
- Chasmistes cujus
- Cocconeis
- Cryptotis
- Cyprideis
- Cyprinotus
- Epithemia
- Epithemia argus
- Fragilariopsis
- Gila coerulea
- Gomphonema
- Gomphotheriidae
- Helisoma
- Hypolagus
- Limnocythere
- Mastogloia
- Melosira
- Nitzschia
- Oncorhynchus
The 40 most often recorded, of 51.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.