Khaastyrka Formation
122 distinct taxa, from 328 fossil occurrences the Paleobiology Database records under this name, spanning 443–439 Mya.
Siberia · RU
122 taxa · 328 fossils · 443–439 MyaLoading coastlines…
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
- Subalveolites
- Alispira
- Protatrypa
- Septatrypa
- Stegerhynchus
- Strophomena
- Crassilasma
- Bystrowicrinus
- Dinophyllum
- Phaulactis
- Armenoceras
- Baltisphaeridium
- Borealis borealis
- Bumastus barriensis
- Catenipora
- Cerasina antiquata
- Clathrodictyon boreale
- Clorilamnulella undata
- Cyrtostropha monoliniformis
- Dalejina
- Dentiferocrinus dentiferus
- Distomodus kentuckyensis
- Ensipora
- Eobronteus
- Eocoelia hemisphaerica
- Exochognathus
- Fardenia
- Favosites gothlandicus
- Helopora
- Hesperorthis
- Holopea transversa
- Homotrypa
- Hormotoma insignis
- Icriodella
- Kettnerites
- Leiofusa
- Leiosphaeridia
- Lophosphaeridium
- Loxoplocus
- Loxoplocus gothlandicus
The 40 most often recorded, of 122.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.