Arrojos Formation
41 distinct taxa, from 48 fossil occurrences the Paleobiology Database records under this name, spanning 510–500 Mya.
Recorded under country code MX
41 taxa · 48 fossils · 510–500 MyaMacrostrat dates this rock 507–506 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
- Albertella proveedora
- Alokistocare modestum
- Girvanella
- Glossopleura
- Acrothele
- Acrothele concava
- Alokistocare
- Alokistocare althea
- Amecephalus arrojosensis
- Arellanella caborcana
- Athabaskia bela
- Bergaueria
- Caborcella arrojosensis
- Chancelloria eros
- Dictyonina
- Dictyonina minutipuncta
- Diraphora arrojosensis
- Glossopleura leona
- Helcionella
- Hyolithes
- Hyolithes sonora
- Inglefieldia imperfecta
- Kistocare
- Kistocare tontoensis
- Kochaspis
- Kootenia exilaxata
- Linnarssonia
- Mexicaspis difuntosensis
- Mexicaspis stenopyge
- Mexicella mexicana
- Micromitra
- Nisusia
- Pachyaspis
- Pachyaspis deborra
- Pachyaspis isabella
- Palaeophycus
- Proveedoria
- Ptarmigania bispinosa
- Ptychoparia
- Wimanella
The 40 most often recorded, of 41.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.