Iola Formation
45 distinct taxa, from 91 fossil occurrences the Paleobiology Database records under this name, spanning 307–304 Mya.
Iowa, Kansas, Oklahoma, Illinois · US
45 taxa · 91 fossils · 307–304 MyaFiled under the Kansas City Group. Members recorded: Muncie Creek Shale, Mucie Creek Shale, Muncie Creek, Raytown.
Macrostrat places this rock in the Kansas City Group, and dates it 305–304 Ma. Macrostrat’s own record
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13 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
- Crinoidea
- Chonetinella
- Crurithyris
- Rhombopora
- Hustedia
- Derbyia
- Punctospirifer
- Brachiopoda
- Composita
- Bryozoa
- Dunbarites rectilateralis
- Gastropoda
- Girtycoelia
- Glaphyrites
- Lophophyllidium
- Pseudorthoceras knoxense
- Shansiella
- Shumardella
- Vertebrata
- Ammonoidea
- Anthracospirifer
- Bivalvia
- Crania
- Desmoinesia
- Donaldina
- Emilites bennisoni
- Enteletes
- Euphemites
- Glabrocingulum
- Goniasma
- Lophamplexus
- Lophophyllidium (Lophophyllidium) distortum
- Meekospira
- Neospirifer
- Orbiculoidea
- Orthonema
- Paraconularia
- Phricodothyris
- Phymatopleura
- Platyceras
The 40 most often recorded, of 45.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.