Ulakhan-Krest Formation
122 distinct taxa, from 337 fossil occurrences the Paleobiology Database records under this name, spanning 251–237 Mya.
Recorded under country code RU
122 taxa · 337 fossils · 251–237 MyaMembers recorded: 13, 12, Kendei, 11, 16, 3, 1, 5, 2, 6, 14.
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12 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
- Taimyrodon olenekensis
- Bakevellia (Maizuria) arctica
- Janaija praelonga
- Meleagrinella tasaryensis
- Pseudonodosaria
- Gresslya abundans
- Sibyllonautilus darkensis
- Arctogymnites sonini
- Dentalina
- Falcimytilus nasai
- Lingula olenekensis
- Cardinioides fidus
- Dentalium
- Frechites nevadanus
- Gryponautilus kegalensis
- Hoernesia
- Hoernesia torta
- Parapopanoceras dzeginense
- Arctogymnites spektori
- Arctonautilus egorovi
- Bakevellia (Maizuria) ladinica
- Gymnotoceras rotelliformis
- Indigirites krugi
- Intornites nevadanus
- Oxytoma
- Parapopanoceras asseretoi
- Promysidiella eduliformis
- Sibyllonautilus artus
- Trematoceras
- Atractites
- Grambergia olenekensis
- Gymnotoceras inflatum
- Halobia (Zittelihalobia)
- Indigirophyllites popowi
- Lapteviella prontchistshevi
- Magnolobia
- Meleagrinella polaris
- Neoschizodus kolymensis
- Parafrechites sublaqueatus
- Paranautilus smithi
The 40 most often recorded, of 122.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.