4Fossil sites
Buelna Formation
Buelna Formation in Mexico: 4 fossil sites. Typical age: 515–510 million years (Cambrian).
4Fossil sites
12Finds
515–510 million yearsTypical age
CambrianMain period
Where its fossils were found
Cambrian
By geological period
Cambrian4
What was found
Trilobites · 12Antagmus, Onchocephalus, Wanneria, Bonnia, Mesonacis, Olenellus, Sombrerella, Bristolia
Towns with the most fossil sites nearby
Other formations of the same period
Cambrian