Discoscaphites
{{Short description|Genus of molluscs (fossil)}}
{{Automatic taxobox
| fossil_range = {{Fossilrange|83.6|61|}} Campanian to Danian
| image = DiscoscaphitesirisCretaceous.jpg
| image_caption = Discoscaphites iris,
Owl Creek Formation (Upper Cretaceous), Ripley, Mississippi.
| taxon = Discoscaphites
| authority = Meek, 1870
| subdivision_ranks = Species
| subdivision_ref = {{cite web | title= Paleobiology Database - Discoscaphites | url = https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=14786 | access-date = 17 December 2021 }}
| subdivision = * D. conradi
- D. gulosus
- D. rossi
}}
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, and North Carolina.{{Cite book|url=http://www.ncfossilclub.org/node/8|title=Fossil Mollusks - Volume II of IV|last=Chandler and Timmerman|first=Richard and John|publisher=North Carolina Fossil Club|year=2014|location=North Carolina|pages=20|access-date=2016-05-16|archive-date=2016-03-15|archive-url=https://web.archive.org/web/20160315150855/http://ncfossilclub.org/node/8|url-status=dead}} 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.{{Cite journal|last1=Landman|first1=Neil H.|last2=Garb|first2=Matthew P.|last3=Rovelli|first3=Remy|last4=Ebel|first4=Denton S.|last5=Edwards|first5=Lucy E.|date=December 2012|title=Short-Term Survival of Ammonites in New Jersey After the End-Cretaceous Bolide Impact|journal=Acta Palaeontologica Polonica|language=en|volume=57|issue=4|pages=703–715|doi=10.4202/app.2011.0068|s2cid=55646492|issn=0567-7920|doi-access=free}} 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.{{Citation|last1=Landman|first1=Neil H.|title=Ammonites on the Brink of Extinction: Diversity, Abundance, and Ecology of the Order Ammonoidea at the Cretaceous/Paleogene (K/Pg) Boundary|date=2015|url=http://link.springer.com/10.1007/978-94-017-9633-0_19|work=Ammonoid Paleobiology: From macroevolution to paleogeography|volume=44|pages=497–553|editor-last=Klug|editor-first=Christian|place=Dordrecht|publisher=Springer Netherlands|language=en|doi=10.1007/978-94-017-9633-0_19|isbn=978-94-017-9632-3|access-date=2021-10-27|last2=Goolaerts|first2=Stijn|last3=Jagt|first3=John W.M.|last4=Jagt-Yazykova|first4=Elena A.|last5=Machalski|first5=Marcin|editor2-last=Korn|editor2-first=Dieter|editor3-last=De Baets|editor3-first=Kenneth|editor4-last=Kruta|editor4-first=Isabelle}}
References
{{Reflist}}
External links
- {{cite web | url = http://www.fossilmuseum.net/ammonite-pictures/Discoscaphites-conradi/Discoscaphites.htm | title = Spectacularly Blood Red Discoscaphites Fox Hills Ammonite
| work = The Virtual Fossil Museum | access-date=2009-02-02 }}
{{Taxonbar|from=Q5281708}}
Category:Late Cretaceous ammonites of North America
Category:Campanian genus first appearances
Category:Maastrichtian genus extinctions
Category:Cretaceous United States
Category:Fossil taxa described in 1870
{{Ammonitida-stub}}