Yikewusu Formation
24 distinct taxa, from 26 fossil occurrences the Paleobiology Database records under this name, spanning 393–388 Mya.
Nei Mongol · CN
24 taxa · 26 fossils · 393–388 MyaLoading coastlines…
1 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
- Leptostrophia
- Antirhynchonella
- Athyris
- Aulacella
- Chonetes
- Cyrtina (Cyrtina) heteroclyta
- Douvillina
- Gypidula
- Kayserella
- Levenea
- Malurostrophia
- Minutostropheodonta
- Nadiastrophia
- Parathyrisina
- Plectospira
- Reticulariopsis
- Schellwienella
- Spinatrypa
- Spinocyrtia
- Spirigerina
- Striispirifer
- Teichertina americana
- Uncinulus
- Undispirifer
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.