Also known as Lance Quarry 1; Hatcher No. 1
Where: Niobrara County, Wyoming (43.2° N, 104.6° W: paleocoordinates 49.6° N, 79.4° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Lance Formation, Lancian (70.6 - 66.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: mesofossils
Collected by J. B. Hatcher, W. A. Clemens in 1889; reposited in the UCMP, YPM
Collection methods: bulk, quarrying, sieve,
Primary reference: O. C. Marsh. 1892. Discovery of Cretaceous Mammalia. Part III. American Journal of Science and Arts, series 3 43(255):249-262 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 14565: authorized by John Alroy, entered by John Alroy on 26.07.1994, edited by Matthew Carrano, Roger Benson and Terri Cleary
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
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Reptilia | |
Alethesaurus quadratus n. gen. n. sp.8
Alethesaurus quadratus n. gen. n. sp.8 Gilmore 1928 squamates USNM 10802 (holotype), fragment of maxilla with four complete teeth
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Aves | |
"Cimolopteryx minima n. sp." = Lamarqueavis minima2
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Reptilia | |
"Tripriodon caperatus n. sp." = Paronychodon lacustris10
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Mammalia | |
Batodon tenuis n. gen. n. sp., Cimolestes incisus n. sp.10, "Didelphodon comptus n. sp." = Delphodon comptus10
Batodon tenuis n. gen. n. sp. Marsh 1892 eutherian | |
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"Pediomys florencae" = Protolambda florencae5, "Pediomys hatcheri" = Protolambda hatcheri5, Pediomys elegans n. sp.10
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"Didelphodon sp." = Didelphodon10, "Didelphodon vorax n. sp." = Didelphodon vorax10, "Cimolestes curtus n. sp." = Didelphodon vorax10, "Didelphodon ferox n. sp." = Didelphodon vorax10, "Stagodon validus" = Didelphodon vorax10, "Stagodon sp." = Didelphodon10
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"Halodon gracilis n. sp." = Meniscoessus10, "Meniscoessus robustus" = Meniscoessus robustus4, "Dipriodon robustus" = Meniscoessus robustus10, "Halodon sculptus n. sp." = Meniscoessus robustus10, "Selenacodon fragilis n. sp." = Meniscoessus robustus10, "Tripriodon coelatus n. sp." = Meniscoessus robustus10, "Dipriodon lunatus n. sp." = Meniscoessus robustus10, Cimolomys parvus n. sp., "Selenacodon brevis n. sp." = Cimolomys gracilis10
Cimolomys parvus n. sp. Marsh 1892 multituberculate | |
"Cimolodon nitidus n. sp." = Cimolodon nitidus10, "Nanomyops minutus n. sp." = Cimolodon nitidus10, "Halodon serratus n. sp." = Cimolodon nitidus10
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