St. Clair Limestone Formation
84 distinct taxa, from 167 fossil occurrences the Paleobiology Database records under this name, spanning 433–427 Mya.
Arkansas · US
84 taxa · 167 fossils · 433–427 MyaLoading coastlines…
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
- Dalmanites
- Staurocephalus
- Decoroproetus
- Harpidella
- Lygdozoon
- Onychotreta
- Shaleria
- Brachymimulus
- Cheirurus
- Dolerorthis
- Ananaspis
- Ancillotoechia
- Antirhynchonella
- Atrypa
- Atrypina erugata
- Balizoma
- Boucotides
- Cornuproetus kyphora
- Decoroproetus corycoeus
- Deiphon
- Delops
- Diacalymene
- Dipharangus
- Encrinurus
- Eophacops
- Eospirifer
- Gravicalymene scutula
- Homoeospirella
- Howellella
- Idioglyptus
- Kosovopeltis
- Leangella
- Leptaena
- Liolalax
- Lissatrypa
- Meristina
- Nucleospira
- Octobronteus
- Orthostrophella
- Parastrophinella
The 40 most often recorded, of 84.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.