Seidan Formation
15 distinct taxa, from 31 fossil occurrences the Paleobiology Database records under this name, spanning 84–72 Mya.
Hyogo · JP
15 taxa · 31 fossils · 84–72 MyaFiled under the Izumi 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
- Pravitoceras sigmoidale
- Didymoceras awajiense
- Gigantocapulus problematicus
- Baculites inornatus
- Gaudryceras striatum
- Hypophylloceras (Neophylloceras) hetonaiense
- Hypophylloceras (Neophylloceras) surya
- Mosasauridae
- Nipponitys
- Pachydiscus
- Pachydiscus (Pachydiscus) awajiensis
- Patagiosites laevis
- Solenoceras
- Solenoceras (Oxybeloceras) humei
- Solenoceras texanum
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.