Chiwapa Formation
186 distinct taxa, from 691 fossil occurrences the Paleobiology Database records under this name, spanning 72–66 Mya.
Mississippi · US
186 taxa · 691 fossils · 72–66 MyaMembers recorded: upper, basal, lower, uppermost.
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8 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
- Bryozoa
- Anomia argentaria
- Exogyra (Exogyra) costata
- Trachycardium eufaulensis
- Crenella serica
- Gabbigonia eufaulensis
- Pseudolimea reticulata
- Serpula
- Granocardium
- Turritella tippana
- Crassatella vadosa
- Hamulus onyx
- Syncyclonema
- Turritella trilira
- Cliona
- Glycymeris
- Pycnodonte vesicularis
- Camptonectes bubonis
- Cubitostrea tecticosta
- Laxispira monilifera
- Malacostraca
- Astarte
- Cyprimeria
- Gryphaeostrea vomer
- Turritella vertebroides
- Veniella conradi
- Cymbophora
- Hamulus squamosus
- Echinoidea
- Lima acutilineata
- Neogastropoda
- Aphrodina
- Harduinia
- Liopistha protexta
- Lithophaga
- Lopha mesenterica
- Neithea
- Pterotrigonia (Scabrotrigonia)
- Turritella
- Euspira rectilabrum
The 40 most often recorded, of 186.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.