Poldarsa Formation
184 distinct taxa, from 266 fossil occurrences the Paleobiology Database records under this name, spanning 267–254 Mya.
Vologda · RU
184 taxa · 266 fossils · 267–254 MyaMembers recorded: Kichuga, Mikulino, Ustpoldarsa, Strelna, Purtovino, Isady.
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6 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
- Suchonellina
- Prasuchonella
- Geryonichthys longus
- Microphon exiguus
- Mutovinia stella
- Chroniosaurus dongusensis
- Chroniosaurus levis
- Geryonichthys
- Strelnia certa
- Varialepis stanislavi
- Cladochorista issadica
- Dvinosaurus
- Isadia suchonensis
- Microphon arcanus
- Palaeomutela (Palaeanodonta)
- Pareiasauridae
- Platysomus biarmicus
- Sinusuella
- Sludalepis spinosa
- Toyemia
- Toyemia tverdochlebovi
- Abbrevikhosara ovoidea
- Agetopanorpa danili
- Alexandrinia gigantea
- Alexandrinia ipsa
- Alexandrinia vitta
- Alexarasnia limbata
- Alexarasnia rossica
- Alexarasniidae
- Archifergania isadyensis
- Baharellinus dilaceratus
- Baharellinus porrectus
- Bairdia
- Bicoleus laticella
- Boreoperlidium borealis
- Chauliodites circumornatus
- Chauliodites geniatus
- Chauliodites issadensis
- Chauliodites ponomarenkoi
- Chimaeropteron antiquum
The 40 most often recorded, of 184.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.