Americus Formation
17 distinct taxa, from 18 fossil occurrences the Paleobiology Database records under this name, spanning 304–299 Mya.
Kansas · US
17 taxa · 18 fossils · 304–299 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
- Bairdia beedei
- Bairdia hoffmanae
- Bairdia pompilioides
- Bairdia reussiana
- Basslerella firma
- Cavellina edmistonae
- Cavellina nebrascensis
- Cryptobairdia seminalis
- Ellipsella distenta
- Healdia parallela
- Healdia winfieldensis
- Kellettina robusta
- Monoceratina lewisi
- Orthobairdia texana
- Sansabella bolliaformis
- Shleesha pinguis
- Silenites lenticularis
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.