Deadwood Formation
248 distinct taxa, from 1,027 fossil occurrences the Paleobiology Database records under this name.
The Paleobiology Database files this name in 2 countries. That can be one body of rock crossing a border, or two rocks that happen to share a name. The database does not say which, so nothing below is added across them.
South Dakota, Montana, North Dakota, Wyoming · US
237 taxa · 1,008 fossils · 507–468 MyaMembers recorded: lower, middle.
Macrostrat dates this rock 509–470 Ma. Macrostrat’s own record
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29 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
- Dicellomus
- Coosia alethes
- Blountia
- Cedarina dakotaensis
- Tricrepicephalus coria
- Pseudagnostina douvillei
- Kingstonia walcotti
- Coosina ariston
- Eocrinoidea
- Kormagnostus seclusus
- Lingulella
- Modocia nevadensis
- Crepicephalus buttsi
- Kingstonia
- Nanorthis putilla
- Orygmaspis contracta
- Uncaspis
- Syntrophina
- Crepicephalus auratus
- Taenicephalus shumardi
- Aphelaspis haguei
- Arapahoia
- Coosella
- Crepicephalus
- Dresbachia
- Blountiella
- Glaphyraspis parva
- Hadragnostus modestus
- Lingulella ibicus
- Nahannagnostus nganasanicus
- Acrotreta
- Agnostogonus incognitus
- Arcuolimbus convexus
- Drepanodus
- Hystricurus
- Clelandia
- Menomonia prooculis
- Terranovella dorsalis
- Amiaspis
- Blountia bristolensis
The 40 most often recorded, of 237.
Alberta, Saskatchewan · CA
12 taxa · 19 fossils · 507–487 MyaMacrostrat dates this rock 509–470 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
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.