74Fossil sites
Yinkeng Formation
Yinkeng Formation in China: 74 fossil sites. Typical age: 252–251 million years (Triassic, Permian).
74Fossil sites
27Finds
252–251 million yearsTypical age
TriassicMain period
Where its fossils were found
TriassicPermian
By geological period
Triassic61
Permian13
What was found
Ammonites · 27Ophiceras, Lytophiceras, Flemingites, Paranorites, Prionolobus, Dieneroceras, Meekoceras
Towns with the most fossil sites nearby
BaoqingFossil sites: 43
DengtacunFossil sites: 11
MaochaiyuancunFossil sites: 7
YashancunFossil sites: 2
HuwuFossil sites: 2
XiaolijiaFossil sites: 2
LongquanFossil sites: 1
SongxicunFossil sites: 1
DahebianFossil sites: 1
ShiqiaotouFossil sites: 1
HexicunFossil sites: 1
Shangximen ShequFossil sites: 1
NanzhuangwanFossil sites: 1
Other formations of the same period
Triassic
Daye Formation 315Kangshare Formation 142Feixianguan Formation 141Luolou Formation 132Qingyan Formation 91Falang Formation 79Tulong Formation 66Anshun Formation 53Kayitou Formation 47Yelang Formation 43Qinglong Formation 42Guanling Formation 39Ermaying Formation 37Dajialian Formation 31Majiaoling Formation 24Bolila Formation 22Junzihe Formation 22Naocangjiangou Formation 20Baijizu Formation 20Yingshuiquan Formation 18Yazhi Formation 18Helongshan Formation 18Xikou Formation 17Jianghe Formation 17