Dennis Formation
86 distinct taxa, from 156 fossil occurrences the Paleobiology Database records under this name, spanning 307–304 Mya.
Kansas, Missouri, Iowa, Oklahoma · US
86 taxa · 156 fossils · 307–304 MyaFiled under the Kansas City Group. Members recorded: Stark Shale, Winterset, Winterset Limestone, Winterset limestone.
Macrostrat places this rock in the Kansas City Group, and dates it 305 Ma. Macrostrat’s own record
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16 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
- Brachiopoda
- Crinoidea
- Rhombopora
- Punctospirifer
- Composita
- Crurithyris
- Derbyia
- Hustedia
- Chonetinella
- Bivalvia
- Gastropoda
- Idiognathodus
- Iniopteryx rushlaui
- Orbiculoidea
- Septopora
- Fenestrellina
- Gorgonophontes peleron
- Hibbardella
- Holmesella equilaterata
- Idiognathodus semipapulatus
- Iniopteryx tedwhitei
- Lophophyllidium
- Mycterops whitei
- Polypora
- Shumardella
- Worthenia
- Aeschronectida
- Amphiscapha catilloides
- Archaeolithophyllum
- Aviculopecten
- Aviculopinna
- Bobbodus schaefferi
- Bryantodus
- Bryozoa
- Chonetina
- Colpites monilifera
- Concavicaris sinuata
- Cooleyella peculiaris
- Cymatospira montfortianus
- Fusulinida
The 40 most often recorded, of 86.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.