Ionayskaya Formation
20 distinct taxa, from 23 fossil occurrences the Paleobiology Database records under this name, spanning 34–20 Mya.
Recorded under country code RU
20 taxa · 23 fossils · 34–20 MyaLoading coastlines…
2 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
- Malletia
- Megayoldia (Portlandella) watasei
- Spineilo
- Acharax
- Acila (Acila) praedivaricata
- Cyclocardia
- Cyclocardia subtenta
- Diplodonta
- Leionucula
- Limatula
- Liocyma
- Megayoldia (Hataiyoldia)
- Megayoldia (Portlandella)
- Modiolus
- Neilo ornata
- Neilonella
- Papyridea harrimani
- Periploma (Aelga)
- Tellina (Megangulus)
- Yoldia (Yoldia) vengeriana
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.