Khkoma Formation
64 distinct taxa, from 290 fossil occurrences the Paleobiology Database records under this name, spanning 433–427 Mya.
Siberia · RU
64 taxa · 290 fossils · 433–427 MyaLoading coastlines…
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
- Stelodictyon
- Hyattidina
- Subalveolites
- Eohowellella
- Alispira
- Anabaria
- Armenoceras
- Catazone cingulata
- Cymatiosphaera
- Dalejina
- Fardenia
- Favosites gothlandicus
- Hindeodella confluens
- Homotrypa
- Lenatoechia
- Parastriatopora
- Philoxene alacer
- Plectatrypa
- Protatrypa
- Asperophyllum
- Baltisphaeridium
- Beyrichia
- Comasphaeridium
- Huddlella
- Labechia
- Lonchodina walliseri
- Mesosolenia
- Multisolenia tortuosa
- Pentlandina
- Phaulactis
- Stegerhynchus
- Vikingia
- Wurmiella excavata
- Herrmannina
- Lophosphaeridium
- Miculiella
- Mochtyella cristata
- Neocystiphyllum
- Nucellosphaeridium
- Plumatalinia
The 40 most often recorded, of 64.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.