Ust-Yudoma Formation
38 distinct taxa, from 75 fossil occurrences the Paleobiology Database records under this name, spanning 539–526 Mya.
Siberia, Sakha · RU
38 taxa · 75 fossils · 539–526 MyaMembers recorded: IV, III, II, 4.
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3 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
- Cambrotubulus decurvatus
- Latouchella
- Cambrotubulus
- Barskovia
- Tiksitheca licis
- Helcionella antiqua
- Purella cristata
- Algomella
- Algomella calyptrata
- Anabarites
- Anabarites trisulcatus
- Igorella
- Loculitheca
- Lophotheca
- Oelandiella korobkovi
- Olivooides
- Protohertzina anabarica
- Protohertzina unguliformis
- Purella
- Siphogonuchites
- Aldanolina magna
- Anabarites biplicatus
- Anabarites korobovi
- Anabarites latus
- Anabarites signatus
- Chancelloria
- Halkieria
- Halkieria amorphe
- Helcionella
- Ladatheca
- Mariochrea
- Markuelia
- Oelandiella
- Oelandiella maidipingensis
- Selindeochrea
- Selindeochrea tricarinata
- Selindeochrea tripartita
- Siphogonuchites triangularis
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.