Kazan Formation
174 distinct taxa, from 642 fossil occurrences the Paleobiology Database records under this name, spanning 274–267 Mya.
Kirov, Arkhangelsk, Tatarstan · RU
174 taxa · 642 fossils · 274–267 MyaMembers recorded: Bajtugan.
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82 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
- Bajtugania netschaevi
- Rectifenestella permulta
- Wjatkella wjatkensis
- Cleiothyridina pectinifera
- Rectifenestella microretiformis
- Rectifenestella pseudoretiformis
- Rhombotrypella superangustata
- Pinegathyris royssiana
- Parapolypora sparsa
- Dyscritella spinigeriformis
- Parafenestralia arborescens
- Polypora keyserlingi
- Streblotrypa (Streblascopora) fasciculata
- Cyclotrypa multiformis
- Parafenestralia longa
- Cancrinella cancrini
- Dyscritellina multispinosa
- Pinegeria pinegensis
- Fistulipora dybowskii
- Pseudobatostomella decora
- Reteporidra atarensis
- Rhombotrypella summa
- Cavernella nitidaeformis
- Rhombotrypella ninae
- Tabulipora ordinata
- Neoeridotrypella pulchra
- Rhabdomeson noinskyi
- Timanodictya nikiforovae
- Rhombopora ornata
- Terrakea hemisphaeroidalis
- Triznella permiana
- Triznella viatkensis
- Cancrinella missunae
- Licharewia stuckenbergi
- Minilya shurae
- Parapolypora novella
- Reteporidra hexagona
- Beecheria netschajewi
- Dyscritella vjushkovi
- Polypora ellipticopora
The 40 most often recorded, of 174.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.