Big Clifty Formation
23 distinct taxa, from 24 fossil occurrences the Paleobiology Database records under this name, spanning 335–323 Mya.
Indiana · US
23 taxa · 24 fossils · 335–323 MyaMembers recorded: Indian Springs, Indian Springs shale.
Macrostrat places this rock in the Stephensport Group. Macrostrat’s own record
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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
- Pentremites
- Blastoidea
- Brachiopoda
- Bryozoa
- Cholaster
- Covidaster medicus
- Crinoidea
- Delicaster enigmaticus
- Echinodermata
- Echinoidea
- Edrioasteroidea
- Furcaster coulombeae
- Furcaster mccantae
- Furcaster wardi
- Holothuroidea
- Osteichthyes
- Pterotocrinus
- Schoenaster limbeckae
- Strataster lisae
- Suchaster granulosus
- Sulphaster odellettorum
- Umerophiura daki
- Vandelooaster douglasi
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.