B Formation
39 distinct taxa, from 126 fossil occurrences the Paleobiology Database records under this name.
The Paleobiology Database files this name in 2 countries. That can be one body of rock crossing a border, or two rocks that happen to share a name. The database does not say which, so nothing below is added across them.
Recorded under country code MA
24 taxa · 109 fossils · 420–382 MyaLoading coastlines…
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
- Polygnathus
- Icriodus
- Polygnathus linguiformis
- Neopanderodus
- Ozarkodina
- Belodina
- Polygnathus varcus
- Belodella
- Icriodus brevis
- Nicollidina brevis
- Polygnathus parawebbi
- Polygnathus pseudofoliatus
- Tortodus
- Bellerophontidae
- Bryozoa
- Crinoidea
- Eognathodus
- Euomphalus
- Favosites
- Gastropoda
- Polygnathus angusticostatus
- Spirifer mercurii
- Tortodus bultyncki
- Trilobita
Hokkaido · JP
15 taxa · 17 fossils · 84–72 MyaFiled under the Hakobuchi Group.
Loading 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
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.