Yazoo Clay
164 distinct taxa, from 317 fossil occurrences the Paleobiology Database records under this name, spanning 48–34 Mya.
Alabama, Louisiana, Mississippi, Texas · US
164 taxa · 317 fossils · 48–34 MyaFiled under the Jackson Group. Members recorded: Tullos, Shubuta, North Twistwood Creek Clay, Cocoa Sand, Danville Landing, Pachuta Marl.
Macrostrat places this rock in the Jackson Group, and dates it 37–34 Ma. Macrostrat’s own record
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15 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
- Chlamys
- Vertebrata
- Calyptraea (Trochita) aperta
- Natica permunda
- Periarchus pileussinensis
- Athleta symmetricus
- Caestocorbula wailesiana
- Euspira jacksonensis
- Gryphaeostrea
- Lithophysema
- Ostrea
- Pitar securiformis
- Pseudoliva vetusta
- Calyptraphorus stamineus
- Cirsotrema
- Corbula densata
- Eburneopecten scintillatus
- Gigantostrea trigonalis
- Lopha (Lopha) vicksburgensis
- Polinices weisbordi
- Turritella
- Aporolepas howei
- Cadulus
- Clavilithes
- Conus sauridens
- Dentalium (Antalis) mississippiense
- Flabellum
- Kapalmerella arenicola
- Macropneustes mortoni
- Mitra hammakeri
- Myrtaea (Myrtaea) curta
- Nucula (Nucula) sphenopsis
- Nuculana
- Paraster armiger
- Terebratulina lachryma
- Turritella perdita
- Alveinus minutus
- Anomia
- Balanus
- Bathytormus clarkensis
The 40 most often recorded, of 164.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.