Lewis Shale
47 distinct taxa, from 81 fossil occurrences the Paleobiology Database records under this name, spanning 84–66 Mya.
New Mexico, Wyoming, Colorado · US
47 taxa · 81 fossils · 84–66 MyaMembers recorded: Kara Bentonitic.
Macrostrat dates this rock 87–72 Ma. Macrostrat’s own record
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13 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
- Inoceramus
- Baculites eliasi
- Baculites rugosus
- Bryozoa
- Baculites reesidei
- Hoploscaphites
- Didymoceras cheyennense
- Hoploscaphites nodosus
- Inoceramus (Cataceramus) sagensis
- Nymphalucina occidentalis
- Ostrea russelli
- Placenticeras
- Acutostrea plumosa
- Anisomyon
- Anisomyon centrale
- Anomia
- Anomia argentaria
- Baculites asperiformis
- Baculites grandis
- Baculites gregoryensis
- Baculites mclearni
- Baculites obtusus
- Baculites perplexus
- Baculites pseudovatus
- Baculites scotti
- Cataceramus subcompressus
- Cryptorhytis
- Didymoceras
- Didymoceras nebrascense
- Diploconcha
- Drepanocheilus
- Eurysalenia
- Exiteloceras jenneyi
- Inoceramus (Cataceramus) tenuilineatus
- Inoceramus turgidus
- Lucina
- Lucina subundata
- Menuites
- Nonactaeonina
- Ophiuroidea
The 40 most often recorded, of 47.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.