Echii Formation
58 distinct taxa, from 120 fossil occurrences the Paleobiology Database records under this name, spanning 294–283 Mya.
Sakha · RU
58 taxa · 120 fossils · 294–283 MyaMembers recorded: Lower.
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23 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
- Anidanthus boikowi
- Jakutoproductus crassus
- Jakutoproductus verchoyanicus
- Rhynchopora angulatiplicata
- Rhynoleichus delenjaensis
- Rhynoleichus etschiensis
- Alispiriferella ordinaria
- Anidanthus halinae
- Anidanthus megensis
- Buxtonia
- Cancrinella janischewskiana
- Jakutoproductus parenensis
- Thrincoceras subquadratum
- Waagenoconcha peregoedovi
- Anidanthus sarytchevae
- Crassispirifer jakuschewae
- Crassispirifer koargychanensis
- Kummeloceras sibiricum
- Neospirifer subfasciger
- Rhynchopora variabilis
- Spiriferella bituchensis
- Tornquistia
- Acanthopecten licharewi
- Actinoconchus
- Alispiriferella
- Anidanthus victori
- Bamberina cordiformis
- Cancrinella
- Cancrinella cancriniformis
- Cancrinella grandis
- Costatoaphanaia formosa
- Cratispirifer
- Fusispirifer subovalis
- Jakutochonetes sinuatus
- Jakutoproductus insignis
- Kochiproductus porrectus
- Kungaella inopinata
- Labuella kolymaensis
- Megousia kolymaensis
- Megousia yakutica
The 40 most often recorded, of 58.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.