Where: Denton County, Texas (33.0° N, 97.1° W: paleocoordinates 31.4° N, 61.7° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Conlinoceras tarrantense ammonoid zone, Lewisville Formation (Woodbine Group), Middle Cenomanian (99.6 - 93.5 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: delta plain; sandstone
Size class: macrofossils
• "numerous isolated remains"
Collected by K. Howe; reposited in the DMNH
Collection methods: surface (float),
• bones were found "spread out on the surface within centimeters of each other"
Primary reference: R. S. Tykoski and A. R. Fiorillo. 2010. An entantiornithine bird from the lower middle Cenomanian of Texas. Journal of Vertebrate Paleontology 30(1):288-292 [J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 94333: authorized by John Alroy, entered by John Alroy on 16.02.2010, edited by Matthew Carrano and Eren Tasimov
Creative Commons license: CC BY (attribution)
Taxonomic list
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Chondrichthyes | |
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Osteichthyes | |
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Reptilia | |
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Aves | |
Flexomornis howei n. gen. n. sp.
Flexomornis howei n. gen. n. sp. Tykoski and Fiorillo 2010 bird | |
Reptilia | |
Ampelognathus coheni n. gen. n. sp.3 Tykoski et al. 2023 ornithopod Holotype DMNH 2021-05-02, a left dentary (almost complete)
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