Formations beginning with Y
53 names, each with a page of its own for the fossils recorded from it. The list is what this site has looked up and cached, not every formation the record holds.
- Yacoraite
- Yagon Siltstone
- Yahuarango
- Yalam
- Yalovach
- Yamaga
- Yamansu
- Yan Yean
- Yanchang
- Yanghugou
- Yangliugang
- Yanjiahe
- Yanshi
- Yarralumla
- Yarrimie
- Yarrol
- Yatova
- Yatyrgvarta
- Yazhi
- Yazoo
- Yazoo Clay
- Yegua
- Yehlan
- Yehli
- Yelang
- Yeli
- YeLi
- Yenwashan
- Yeso
- Yijianfang
- Yikewusu
- Yimugantawu
- Yingan
- Yingtang
- Yinkeng
- Yinpingshan
- Yinzhupu
- Yixian
- Ymers Gletscher
- Yolomécatl
- Yonabaru
- Yonghsien
- Yorktown
- Yoshino
- Ysidro
- Yu'anshan
- Yuanmou
- Yuanpu
- Yuanshan
- Yujiang
- Yukiang
- Yundoutan
- Yurtus