Choshi Formation
17 distinct taxa, from 27 fossil occurrences the Paleobiology Database records under this name, spanning 121–101 Mya.
Chiba · JP
17 taxa · 27 fossils · 121–101 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
- Astarte (Astarte)
- Amphidonte (Amphidonte)
- Cucullaea transversa
- Gervillia (Gervillia)
- Grammatodon (Nanonavis)
- Limatula
- Nemocardium (Nemocardium)
- Pulsidis
- Rastellum carinatum
- Ceratostreon
- Isognomon (Isognomon)
- Lopha (Actinostreon)
- Ludbrookia
- Neithea (Neithea) syriaca
- Neithea (Neithella) notabilis
- Nipponitrigonia
- Palaeonucula
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.