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Keys Valley Marl, Texas, USA
| Formation | Keys Valley Marl |
|---|---|
| Age: | 109 - 105 Ma Early/Lower Cretaceous |
| Interval | Middle Albian |
| Lithology | marl |
| Number of Collections | 4 |
| Number of Occurrences | 9 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Tennessee Valley | Bell County, Texas, USA | Keys Valley Marl |
| Bachelor Peak | Burnet County, Texas, USA | Keys Valley Marl |
| Cross Plains | Callahan County, Texas, USA | Keys Valley Marl |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Comanche Peak Limestone | 109 - 105 Ma Early/Lower Cretaceous | limestone | 23 |
Recorded Fossils
| Accepted Name | Hierarchy | Age |
|---|---|---|
 Oxytropidoceras (Manuaniceras) sp.subgenus | Animalia : Mollusca : Cephalopoda : Ammonitida : Mojsisovicsiidae : Oxytropidoceras : Oxytropidoceras (Manuaniceras) | 109 - 105.3 Ma Early/Lower Cretaceous |
| Oxytropidoceras (Venezoliceras) sp. subgenus | Animalia : Mollusca : Cephalopoda : Ammonitida : Mojsisovicsiidae : Oxytropidoceras : Oxytropidoceras (Venezoliceras) | 109 - 105.3 Ma Early/Lower Cretaceous |
References
| Young K. (1966) Texas Mojsisoviciziinae (Ammonoidea) and the zonation of the Fredricksburg, Geological Society of America Memoir 100, 1-225 |
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
