Collection 8918, Dragoon Mnts., Mississippian Escabrosa Limestone; Arizona (Carboniferous of the United States)
Where: Cochise County, Arizona (31.7° N, 109.7° W: paleocoordinates 10.0° S, 52.3° W)
• small collection-level geographic resolution
When: Mississippian (358.9 - 323.2 Ma)
• Underlain by Martin limestone and overlain by the Naco group.
Environment/lithology: shelly/skeletal limestone
• The charactersitic rocks of the Escabrosa are white to light-gray, commonly composed largely of fragments of crinoid stems.
Primary reference: J. Gilluly, J. R. Cooper, and J.S. Williams. 1954. Late Paleozoic Stratigraphy of Central Cochise County arizona. United States Geological Survey Professional Paper 266:1-49 [T. Olszewski/M. Gibson/P. Wagner]more details
PaleoDB collection 13249: authorized by Tom Olszewski, entered by Melissa Gibson on 02.02.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
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Rhynchonellata | |
? Neospirifer (cf. Neospirifer) dunbari King 1933 |