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Thursday, May 1, 2025

Mancos Group Field Trip Guide

 

    Revisiting the Cretaceous Mancos Group in Utah—problems, previous methods, and new perspectives on a world-class Cretaceous marine section.  James I. Kirkland, M. Ryan King, Kevin G. Bylund, 2025 

Posted by Kevin Bylund at 2:28 PM No comments:
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Labels: Geology

Early Dienerian Ammonoids

Gyronites rigidus (Diener) 1897

 EARLY DIENERIAN AMMONOIDS AND NAUTILOIDS AND A NEW LATE GRIESBACHIAN AMMONOID SITE FROM THE DINWOODY FORMATION (THAYNES GROUP) AT CRITTENDEN SPRINGS, ELKO COUNTY, NEVADA James F Jenks, Takumi Maekawa, Yasunari Shigeta, David Ware, Arnaud Brayard, Kevin G Bylund, Daniel A Stephen, Noreen Kittrick, 2025

Posted by Kevin Bylund at 2:06 PM No comments:
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Labels: Cephalopod Taxonomy, Cephalopods, Early Triassic
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Photos (mostly), observations and notes (occasionally), from an amateur paleontologist with an interest in cephalopods
  • Kevin Bylund
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