Union Wash Formation
48 distinct taxa, from 59 fossil occurrences the Paleobiology Database records under this name, spanning 251–247 Mya.
California · US
48 taxa · 59 fossils · 251–247 MyaMacrostrat dates this rock 252–237 Ma. Macrostrat’s own record
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1 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
- Keyserlingites pacificus
- Courtilloticeras stevensi
- Dieneroceras subquadratum
- Inyoceras bittneri
- Meekoceras gracilitatis
- Neopopanoceras haugi
- Owenites koeneni
- Preflorianites toulai
- Pseudacrochordiceras inyoense
- Subhungarites yatesi
- Abrekites arthaberi
- Anaflemingites strongi
- Anasibirites kingianus
- Anasibirites lindgreni
- Anasibirites multiformis
- Arctoceras newberryi
- Arctoceras tuberculatum
- Aspenites acutus
- Dieneroceras dieneri
- Dieneroceras marcoui
- Dieneroceras spathi
- Discoproptychites walcotti
- Eodanubites (Dumitricaceras) judae
- Goricanites noblei
- Guodunites hooveri
- Hedenstroemia kossmati
- Inyoceras multicameratus
- Inyoites oweni
- Jeanbesseiceras jacksoni
- Juvenites dieneri
- Keyserlingites
- Keyserlingites subrobustus
- Lanceolites bicarinatus
- Lanceolites compactus
- Meekoceras (Prionolobus) waageni
- Ophiceras
- Orthoceras
- Owenites carpenteri
- Owenites zitteli
- Paranannites oviformis
The 40 most often recorded, of 48.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.