Where: McKinley County, New Mexico (35.3° N, 108.8° W: paleocoordinates 38.2° N, 75.1° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Collignoniceras woollgari ammonoid zone, Rio Salado Member (Mancos Shale Formation), Middle Turonian (93.5 - 89.3 Ma)
• Rio Salado Tongue of Mancos Shale, float from silty concretion in upper 7 or 8 m.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, concretionary shale
Size class: macrofossils
Collected by S.C. Hook in 1978; reposited in the USNM
Primary reference: W. A. Cobban. 1988. The Late Cretaceous ammonite Spathites Kummel & Decker in New Mexico and Trans-Pecos Texas. New Mexico Bureau of Mines & Mineral Resources Bulletin 114:5-21 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 178512: authorized by Matthew Clapham, entered by Matthew Clapham on 06.05.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Spathites coahuilaensis" = Spathites (Spathites) coahuilaensis
"Spathites coahuilaensis" = Spathites (Spathites) coahuilaensis Jones 1938 ammonite |