We already know everything? How fieldwork rewrites 160 years of research in the Niobrara Chalk

Thu, 19 Feb, 2026 at 06:30 pm UTC-07:00

1320 Arapahoe St, Golden, CO 80401-1815, United States | Golden

Triebold Paleontology, Inc.
Publisher/HostTriebold Paleontology, Inc.
We already know everything? How fieldwork rewrites 160 years of research in the Niobrara Chalk
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In-person Meeting at Calvary Church Golden
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6:30 pm – Social time begins at Calvary Church Golden. Enter off 14th St.
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Abstract: Intense exploration of the late Cretaceous (~85 Ma) Niobrara Chalk began shortly after the Civil War, with Bone-War rivals Charles Marsh and Edward Cope describing dozens of species of fish, mosasaurs and pterosaurs before the turn of the last century. Work was so intense that by the early 20th century interest waned, with researchers believing that everything important had already been found.
Today, renewed intensive fieldwork with improved collection and preparation methods are revealing that even this famous and well sampled formation has more secrets left to give up, from soft tissue and molecular info to many brand new species.
Speaker Background:
Anthony Maltese is a Senior Curator for Research, Exploration and Morphology at the Rocky Mountain Dinosaur Resource Center and Treibold Paleontology, Inc., in Woodland Park, CO. He is a seasoned paleontologist and museum professional with expertise in curating, laboratory preparation, fossil reconstruction, grant writing, and community outreach with over 20 years of experience in the field.
Education BA: University of Kansas focused in Geology/Earth Science, 2003
Interview a Geologist: Anthony Maltese
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