Il'chir Formation
43 distinct taxa, from 80 fossil occurrences the Paleobiology Database records under this name, spanning 521–516 Mya.
Tuva · RU
43 taxa · 80 fossils · 521–516 MyaMembers recorded: Band 4.
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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
- Cambrocyathellus
- Nochoroicyathus
- Degeletticyathus
- Rotundocyathus
- Archaeopharetra
- Dictyocyathus
- Dictyosycon
- Loculicyathus
- Alataucyathus
- Archaeolynthus
- Carpicyathus
- Dokidocyathus
- Erismacoscinus
- Formosocyathus
- Orbicyathus
- Baikalocyathus
- Bipallicyathus
- Cyclocyathella repinae
- Favilynthus
- Gnaltacyathus
- Inessocyathus
- Irinaecyathus
- Jakutocarinus
- Leptosocyathus
- Loculicyathus voznesenskii
- Mikhnocyathus
- Mikhnocyathus irregularis
- Morenicyathus
- Natalijaecyathus
- Neoloculicyathus
- Okulitchicyathus
- Pretiosocyathus
- Pretiosocyathus toltschiensis
- Protopharetra
- Rectannulus
- Sclerocyathus
- Sibirecyathus
- Stapicyathus
- Subtumulocyathellus
- Tabulacyathellus
The 40 most often recorded, of 43.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.