Isheevo Formation
55 distinct taxa, from 197 fossil occurrences the Paleobiology Database records under this name, spanning 267–264 Mya.
Chuvasia Republic · RU
55 taxa · 197 fossils · 267–264 MyaMembers recorded: Crimson Mud, Crimson Shale, Krutoovrazhnaya, Green Shale, Cheremushka, Ribbon Marls, Tobacco Sandstone.
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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
- Paleodarwinula
- Palaeomutela
- Prilukiella
- Prasuchonella
- Anadontella
- Palaeomutela wohrmani
- Discordichthys spinifer
- Lissodus
- Polyacrodus
- Anomodontia
- Archegosauroidea
- Bolosauria
- Burguklia minichorum
- Cuneatochara
- Kargalichthys efremovi
- Kichkassia furcae
- Leptoropha
- Neoselachii
- Platysomus biarmicus
- Samarichthys luxus
- Sphenacanthidae
- Stomochara
- Uranichthys pretoriensis
- Varialepis bergi
- Acrolepis macroderma
- Dinocephalia
- Diplostraca
- Palaeomutela krotowi
- Samarichthys
- Suchonellina
- Tetrapoda
- Acropholis
- Actinopterygii
- Annularia
- Chondrichthyes
- Chroniosuchus
- Estheriina
- Eustheria
- Galeomorphii
- Hybodontiformes
The 40 most often recorded, of 55.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.