Buelna Formation
34 distinct taxa, from 37 fossil occurrences the Paleobiology Database records under this name, spanning 515–507 Mya.
Sonora · MX
34 taxa · 37 fossils · 515–507 MyaFiled under the Bonnia-Olenellus Group. Members recorded: D.
Macrostrat dates this rock 511–507 Ma. Macrostrat’s own record
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3 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
- Girvanella
- Antagmus buttsi
- Antagmus solitarius
- Archaeocyathus
- Bonnia sonora
- Bristolia bristolensis
- Chancelloria
- Claruscoscinus
- Coscinocyathus
- Cruziana
- Eothele
- Girvanella mexicana
- Gogia
- Hadrotreta
- Hyolithes
- Linnarssonia
- Mesonacis fremonti
- Nevadotheca whitei
- Olenelloidea
- Olenellus puertoblancoensis
- Onchocephalus buelnaensis
- Onchocephalus mexicanus
- Orthotheca buelna
- Palaeophycus
- Paterina
- Protopharetra
- Renalcis
- Salterella
- Salterella maccullochi
- Salterella pulchella
- Scenella reticulata
- Sombrerella mexicana
- Wanneria
- Wanneria walcottana
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.