Clayton Formation
241 distinct taxa, from 623 fossil occurrences the Paleobiology Database records under this name, spanning 72–56 Mya.
Alabama, Missouri, Illinois, Tennessee · US
241 taxa · 623 fossils · 72–56 MyaFiled under the Midway Group. Members recorded: Pine Barren, McBryde Limestone, upper, lower, uppermost, McBryde, undifferentiated, Pine Barren Sand.
Macrostrat places this rock in the Midway Group. Macrostrat’s own record
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55 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
- Ostrea crenulimarginata
- Turritella
- Ostrea pulaskensis
- Mesalia
- Mesalia alabamiensis
- Cucullaea
- Hercoglossa ulrichi
- Venericardia (Venericor) mediaplata
- Kapalmerella mortoni
- Venericardia (Venericor) smithii
- Calyptraphorus
- Plagiochasma cruciferum
- Pleuronea
- Venericardia
- Antropora
- Crassatella
- Natica
- Teredo
- Glycymeris idonea
- Ostrea
- Pitar
- Callianassa
- Gitolampas
- Calyptraea
- Campanile
- Ceriopora
- Gryphaeostrea vomer
- Linthia alabamensis
- Mesalia pumila
- Pseudoliva
- Athleta (Volutocorbis)
- Cimomia subrecta
- Echanthus georgiensis
- Entalophora
- Keilostoma
- Nuculana
- Rotularia
- Vertebrata
- Calyptraphorus velatus
- Cibicides
The 40 most often recorded, of 241.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.