Cook Mountain Formation
763 distinct taxa, from 5,124 fossil occurrences the Paleobiology Database records under this name.
The Paleobiology Database files this name in 2 countries. That can be one body of rock crossing a border, or two rocks that happen to share a name. The database does not say which, so nothing below is added across them.
Texas, Mississippi, Louisiana, Alabama · US
762 taxa · 5,122 fossils · 56–34 MyaFiled under the Claiborne Group. Members recorded: Wheelock, Stone City, Landrum, Archusa Marl, Potterchitto, Wheelock Marl, Archusa marl, Saline Bayou, Crockett, Milams, Landrum Shale, Mount Tabor.
Macrostrat places this rock in the Claiborne Group, and dates it 41–38 Ma. Macrostrat’s own record
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102 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
- Ficus
- Gemmula (Coronia)
- Clavilithes
- Pyramidella
- Architectonica
- Turritella
- Cadulus
- Levifusus mortoniopsis
- Microdrillia
- Athleta petrosa
- Latirus moorei
- Pseudoliva vetusta
- Sinum
- Polinices
- Lapparia
- Volvulella
- Bonellitia
- Falsifusus
- Surculoma
- Buccitriton texanum
- Hastula
- Acteon
- Nucula (Nucula) mauricensis
- Bullata semen
- Conomitra texana
- Cubitostrea sellaeformis
- Lyrosurcula
- Michela trabeatoides
- Raphitoma
- Hesperiturris nodocarinatus
- Trypanotoma
- Athleta
- Cerithiella
- Conus sauridens
- Fusimitra
- Gastropoda
- Sassia (Personella) septemdentata
- Caryocorbula deusseni
- Levifusus
- Plicatula filamentosa
The 40 most often recorded, of 762.
Nuevo Leon, Tamaulipas · MX
2 taxa · 2 fossils · 41–38 MyaFiled under the Claiborne Group.
Macrostrat places this rock in the Claiborne Group, and dates it 41–38 Ma. Macrostrat’s own record
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2 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
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.