Yokonuma Formation
20 distinct taxa, from 26 fossil occurrences the Paleobiology Database records under this name, spanning 133–121 Mya.
Miyagi · JP
20 taxa · 26 fossils · 133–121 MyaFiled under the Oshima Group.
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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
- Scleractinia
- Nerinea
- Anthozoa
- Bivalvia
- Echinoidea
- Enallhelia nipponica
- Eugyra (Felixigyra) picteti
- Meandrarea nipponica
- Meandrophyllia steini
- Metriomphalus
- Microsolena japonica
- Microsolena major
- Microsolena subexcavata
- Nerinoides
- Pseudomyriophyllia oshimaensis
- Pterotrigonia
- Rhabdophyllia oshimaensis
- Stylina japonica
- Thamnasteria japonica
- Trochosmilia orientalis
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.