Tongzi Formation

Tongzi Formation in China: 19 fossil sites. Typical age: 486–477 million years (Ordovician).

19Fossil sites

37Finds

486–477 million yearsTypical age

OrdovicianMain period

Where its fossils were found

Tongzi Formation

Ordovician

By geological period

Ordovician19

What was found

Trilobites · 37Psilocephalina, Asaphellus, Tungtzuella, Dactylocephalus, Asaphopsis, Lohanpopsis, Pseudocalymene, Apatokephalops, Shumardia, Chungkingaspis, Remopleurides, Symphysurus, Taihungshania

Towns with the most fossil sites nearby

ZhichanggouFossil sites: 10

MawoFossil sites: 5

ShunheFossil sites: 2

ZhushapoFossil sites: 1

DalugouFossil sites: 1

Tongzi Formation

Where its fossils were found

By geological period

What was found

Towns with the most fossil sites nearby

Other formations of the same period