Английская Википедия:Discoscaphites
Шаблон:Short description Шаблон:Automatic taxobox
Discoscaphites is an extinct genus of ammonite. This genus may have been one of the few to have briefly survived the K-Pg mass extinction.
Distributions
Cretaceous of Greenland, Alabama, Arkansas, California, Colorado, Kansas, Maryland, Mississippi, Missouri, New Jersey, South Dakota, Tennessee, Texas, Wyoming,[1] and North Carolina.[2] Discoscaphites is present in the famous Pinna Layer of the Tinton Formation of New Jersey (above the iridium anomaly), with even possible records in the layer above, along with Eubaculites.[3] Some researchers prefer a conservative interpretation when dating the Pinna Layer, the other remains still suggest Discoscaphites was a K-Pg survivor, albeit restricted to 65 Ma.[4]
References
External links
- ↑ Ошибка цитирования Неверный тег
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- ↑ Шаблон:Citation
- Английская Википедия
- Scaphitidae
- Ammonitida genera
- Cretaceous ammonites
- Late Cretaceous ammonites of North America
- Campanian genus first appearances
- Maastrichtian genus extinctions
- Cretaceous United States
- Maastrichtian life
- Hell Creek fauna
- Fossil taxa described in 1870
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