Marjum Formation
134 distinct taxa, from 223 fossil occurrences the Paleobiology Database records under this name, spanning 507–497 Mya.
Utah · US
134 taxa · 223 fossils · 507–497 MyaMembers recorded: Unit 19, Upper, Unit 14, Unit 9, Unit 25.
Macrostrat dates this rock 502 Ma. Macrostrat’s own record
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10 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
- Modocia
- Narynella sulcata
- Diagoniella cyathiformis
- Hamptonia bowerbanki
- Hypagnostus parvifrons
- Leptomitella metta
- Valospongia
- Bolaspidella
- Branchiocaris pretiosa
- Choia carteri
- Choia hindei
- Choia utahensis
- Diagoniella
- Diagoniella hindei
- Dicranocaris guntherorum
- Hintzespongia bilamina
- Linnarssonia
- Morania fragmenta
- Protospongia
- Testiispongia
- Trymataspis depressa
- Tuzoia guntheri
- Acidusus occultatus
- Arthropoda
- Bathyuriscus
- Bolaspidella contracta
- Buccaspinea cooperi
- Caryosyntrips camurus
- Cotalagnostus
- Cubozoa
- Diagoniella magna
- Diplorrhina
- Hemirhodon
- Itagnostus interstrictus
- Leanchoilia protogonia
- Lingulata
- Meristosoma
- Naraoia compacta
- Nettapezoura basilika
- Olenoides
The 40 most often recorded, of 134.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.