Empire Formation
67 distinct taxa, from 115 fossil occurrences the Paleobiology Database records under this name, spanning 12–3.6 Mya.
Oregon · US
67 taxa · 115 fossils · 12–3.6 MyaMembers recorded: Coos Conglomerate.
Macrostrat dates this rock 11–5.3 Ma. Macrostrat’s own record
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4 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
- Cryptonatica affinis
- Mactromeris albaria
- Solen sicarius
- Katherinella arnoldi
- Nucella
- Argobuccinum
- Clinocardium (Clinocardium) meekianum
- Fusinus
- Glycymeris grewingki
- Macoma (Macoma) calcarea
- Acila (Truncacila) conradi
- Boreotrophon stuarti
- Caesia
- Calyptraea inornata
- Crepidula princeps
- Diplodonta parilis
- Leukoma staleyi
- Lituyapecten coosensis
- Macoma astori
- Mytilus (Plicatomytilus) middendorffi
- Neptunea (Neptunea) lirata
- Pontolis magnus
- Remondella gabbii
- Securella securis
- Tellina (Peronidia) aragonia
- Turris
- Acila
- Ampullina oregonensis
- Anorthoscutum oregonensis
- Bullia
- Callianax biplicata
- Callianax pedroana
- Calliostoma cammani
- Cancellaria oregonensis
- Cancer (Metacarcinus) magister
- Cardium coosense
- Cetotheriidae
- Cosmopolitodus planus
- Crepidula adunca
- Discinisca oregonensis
The 40 most often recorded, of 67.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.