St. Louis Formation
54 distinct taxa, from 62 fossil occurrences the Paleobiology Database records under this name, spanning 359–299 Mya.
Iowa, Illinois, Georgia, Missouri · US
54 taxa · 62 fossils · 359–299 MyaMembers recorded: Verdi, Waugh, Croton.
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7 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
- Cribroblastus cornutus
- Endostaffella
- Acanthodii
- Acrocyathus proliferus
- Aviculopecten
- Bellerophontoidea
- Bryozoa
- Bucanopsis
- Calcisphaera laevis
- Chenilleophycus
- Cleiothyridina
- Clinopistha
- Colosteidae
- Composita trinuclea
- Crinoidea
- Cynopodius
- Cypricardella
- Deltaherpeton hiemstrae
- Diplosphaerina
- Earlandia
- Echinoconchus
- Elasmobranchii
- Embolomeri
- Endothyra
- Fenestella
- Foraminifera
- Fourstonella
- Gastropoda
- Girtyella
- Kaskia
- Laevidentalium
- Lithostrotionella castelnaui
- Modiomorpha
- Neozaphrentis
- Orthotetes
- Osteolepidae
- Ostracoda
- Ovatia
- Palaeoniscoidei
- Phascolophyllaphycus lohrensis
The 40 most often recorded, of 54.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.