Krebs Formation
72 distinct taxa, from 226 fossil occurrences the Paleobiology Database records under this name, spanning 313–306 Mya.
Missouri · US
72 taxa · 226 fossils · 313–306 MyaFiled under the Cherokee Group. Members recorded: Seville Limestone, Rowe, Seville.
Macrostrat places this rock in the Cherokee Group, and dates it 312–310 Ma. Macrostrat’s own record
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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
- Derbyia crassa
- Desmoinesia muricatina
- Desmoinesia nana
- Linoproductus prattenianus
- Mesolobus mesolobus lioderma
- Mesolobus striatus
- Crurithyris planoconvexa
- Condrathyris perplexa
- Parajuresania nebrascensis
- Composita subtilita
- Linoproductus echinatus
- Neospirifer cameratus
- Mesolobus mesolobus decipiens
- Neospirifer goreii
- Orbiculoidea missouriensis
- Pernopecten ohioensis
- Promytilus annosus
- Strobeus paludinaeformis
- Chonetinella flemingi crassiradiata
- Cymatospira montfortianus
- Gervillia longa
- Kozlowskia
- Punctospirifer kentuckensis
- Strobeus primogenius
- Trepospira illinoisensis
- Amphiscapha subrugosa
- Astartella concentrica
- Cleiothyridina orbicularis
- Edmondia ovata
- Hustedia mormoni
- Linoproductus planiventralis
- Nuculopsis girtyi
- Pseudorthoceras knoxense
- Schizodus affinis
- Spirifer opimus
- Acharax (Nacrosolemya) trapezoides
- Acharax radiata
- Annuliconcha interlineata
- Anomphalus umbilicatus
- Anthracospirifer occiduus
The 40 most often recorded, of 72.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.