Siyak Formation
48 distinct taxa, from 112 fossil occurrences the Paleobiology Database records under this name, spanning 420–411 Mya.
Bashkir, Bashkortostan · RU
48 taxa · 112 fossils · 420–411 MyaMembers recorded: Lower.
Loading coastlines…
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
- Favosites
- Ivdelinia
- Protathyris
- Riphaeolites
- Gypidula
- Neomphyma
- Camarotoechia
- Zelophyllum
- Cladopora
- Decoropugnax
- Hebetoechia
- Pseudamplexus
- Spirigerina supramarginalis
- Spongophylloides
- Astutorhyncha
- Clorinda
- Cymostrophia
- Dicoelosia biloba
- Favosites intricatus
- Gypidula pelagica
- Lanceomyonia
- Merista
- Parastriatopora
- Spinatrypina
- Spongophyllum
- Tryplasma
- Acanthophyllum
- Atrypinella
- Clorindina
- Fasciphyllum
- Gastropoda
- Glossinulus
- Gypidulina
- Karpinskia
- Latonotoechia
- Linguopugnoides
- Lissatrypa
- Orthoceratidae
- Pseudomicroplasma
- Rhynchospirina
The 40 most often recorded, of 48.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.