Tuna Canyon Formation
58 distinct taxa, from 107 fossil occurrences the Paleobiology Database records under this name, spanning 101–66 Mya.
California · US
58 taxa · 107 fossils · 101–66 MyaMacrostrat dates this rock 91–71 Ma. Macrostrat’s own record
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3 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
- Pterotrigonia evansana
- Glycymerita veatchii
- Metaplacenticeras sanctaemonicae
- Cymbophora gabbiana
- Inoceramus
- Metaplacenticeras pacificum
- Biplica obliqua
- Calva (Calva) varians
- Pachydiscus
- Turritella chicoensis
- Ampullina pseudoalveata
- Baculites
- Crassatella
- Cymbophora triangulata
- Deussenia californiana
- Euspira compressa
- Lispodesthes rotundatus
- Metaplacenticeras californicum
- Scaphites gillisi
- Anchura phaba
- Atira
- Baculites inornatus
- Calva
- Calva (Egelicalva) bowersiana
- Clementia (Egesta) pertenuis
- Clisocolus dubius
- Corbula
- Crassatella conradiana
- Crassatella elongata
- Cucullaea
- Cucullaea (Idonearca) youngi
- Cymbophora popenoei
- Eutrephoceras
- Grammatodon (Indogrammatodon)
- Gyrodes pacificum
- Haliotis
- Inoceramus pembertoni
- Inoceramus whitneyi
- Isognomoninae
- Nanonavis breweriana
The 40 most often recorded, of 58.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.