Where: Socorro County, New Mexico (34.5° N, 107.5° W: paleocoordinates 37.2° N, 74.1° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Tres Hermanos Member (Mancos Shale Formation), Middle Turonian (93.5 - 89.3 Ma)
• basal part of Tres Hermanos
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified sandstone
Size class: macrofossils
Collected by W.A. Cobban in 1967; reposited in the USNM
Primary reference: W. A. Cobban and S. C. Hook. 1980. The Upper Cretaceous (Turonian) ammonite family Coilopoceratidae Hyatt in the Western Interior of the United States. United States Geological Survey Professional Paper 1192:1-28 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 77806: authorized by Wolfgang Kiessling, entered by Uta Merkel on 21.01.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Hoplitoides cf. wohltmanni von Koenen 1897 ammonite |