Chase Formation
22 distinct taxa, from 22 fossil occurrences the Paleobiology Database records under this name, spanning 307–290 Mya.
Kansas, Nebraska · US
22 taxa · 22 fossils · 307–290 MyaMembers recorded: Wreford limestone, Florence Flint.
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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
- Aurikirkbya wymani
- Bairdia beedei
- Bairdia hassi
- Bairdia hurwitzi
- Bairdia verwiebei
- Basslerella firma
- Cavellina chasensis
- Cavellina edmistonae
- Glikmanius occidentalis
- Glyptopleura triserta
- Healdia winfieldensis
- Knightina bassleri
- Macrocypris garrisonensis
- Monoceratina lewisi
- Orthobairdia texana
- Palaeocaudina kansasensis
- Pseudobythocypris pediformis
- Rectobairdia symmetrica
- Sansabella bolliaformis
- Shleesha pinguis
- Silenites lenticularis
- Tribolbina permiana
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.