Atsunai Formation
24 distinct taxa, from 47 fossil occurrences the Paleobiology Database records under this name, spanning 16–12 Mya.
Recorded under country code JP
24 taxa · 47 fossils · 16–12 MyaMembers recorded: Ishiizawa Sandstone.
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3 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
- Dentalium
- Turritella
- Homalopoma
- Laevicardium
- Macoma (Macoma)
- Anadara (Anadara) hokkaidoensis
- Cyclocardia
- Euspira
- Glycymeris idensis
- Mercenaria
- Mizuhopecten
- Mizuhopecten nakatombetsuensis
- Nuculanidae
- Ostrea
- Tectonatica
- Tellina (Peronidia)
- Balanus
- Crepidula
- Glycymeris (Glycymeris)
- Macoma (Macoma) atsunaiensis
- Macoma (Macoma) calcarea
- Makiyama
- Mesalia
- Portlandia
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.