Also known as Nueces River; USGS # 10829
Where: Zavala County, Texas (29.1° N, 99.9° W: paleocoordinates 35.2° N, 78.7° W)
• small collection-level geographic resolution
When: Escondido Formation, Maastrichtian (72.1 - 66.0 Ma)
• Haustator bilira assemblage zone.
• formation-level stratigraphic resolution
Environment/lithology: estuary or bay; gray, silty, calcareous sandstone
Size class: mesofossils
Preservation: original calcite, replaced with calcite
Reposited in the USGS
• Stephenson collection
Primary reference: N. F. Sohl and C. F. Koch. 1984. Upper Cretaceous (Maestrichtian) larger invertebrate Fossils from the Haustator bilira Assemblage Zone in the west gulf Coastal Plain. USGS Open File Report 84-687:1-282 [M. Kosnik/M. Kosnik]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 4568: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
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| Echinoidea | |
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Echinoidea indet. Leske 1778 sea urchin Echinoid sp. (regular) - originally entered as "Echinoidea sp."
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| Bryozoa | |
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| Bivalvia | |
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