Bear Lake Formation
35 distinct taxa, from 60 fossil occurrences the Paleobiology Database records under this name, spanning 23–5.3 Mya.
Alaska · US
35 taxa · 60 fossils · 23–5.3 MyaMembers recorded: Unga Conglomerate, Upper.
Macrostrat dates this rock 16–5.3 Ma. Macrostrat’s own record
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10 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
- Turritella (Hataiella) sagai
- Chirona
- Desmostylia
- Lucinoma acutilineata
- Macoma
- Metacarcinus goederti
- Acila
- Balanus nubilus
- Beringius crebricostatus
- Clinocardium
- Colus
- Dentalium (Rhabdus) schencki
- Mya (Mya) truncata
- Mytilus (Plicatomytilus) middendorffi
- Pitar
- Thracia
- Balanus
- Balanus crenatus
- Chione (Securella) ensifera
- Crepidula
- Cryptonatica affinis
- Echinodermata
- Fusitriton oregonensis
- Isurus
- Macoma (Macoma) calcarea
- Mactromeris albaria
- Mya
- Mytilus (Plicatomytilus) gratacapi
- Patelloida gradatus
- Penitella
- Remondella gabbii
- Tellina (Peronidia) aragonia
- Tymolus alaskensis
- Tyrannoberingius rex
- Yoldia
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.