Where: New Mexico (32.5° N, 107.7° W: paleocoordinates 33.2° N, 72.1° W)
• coordinate stated in text
When: Mantelliceras dixoni ammonoid zone, Sarten Member (Mojado Formation), Early/Lower Cenomanian (99.6 - 93.5 Ma)
• uppermost meter of the Sarten Sandstone
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, nodular, sandy limestone
Size class: macrofossils
Preservation: mold/impression
Collected by E. R. Landis, S. C. Hook, and W. A. Cobban; J. R. Wright, D. E. Tabet, S. C. Hook, and W. A. Cobban; R. R. Cobban, S. C. Hook, and W. A. Cobban in 1976, 1977, 1980; reposited in the USNM
Primary reference: W. A. Cobban. 1987. Ammonite Faunas of the Sarten Sandstone (Cretaceous), Luna County, New Mexico. United States Geological Survey Bulletin (1641-B) [M. Clapham/K. Okamoto]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 179775: authorized by Matthew Clapham, entered by Kristina Okamoto on 30.06.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Cephalopoda | |
aff. Turrilites costatus Lamarck 1801 ammonite | |
Mantelliceras sp. Hyatt 1903 ammonite | |
Cymatoceras sp. Hyatt 1884 nautiloid | |
Bivalvia | |
Neithea texana Roemer 1852 scallop | |
Syncyclonema sp. Meek 1864 scallop | |
Lima shumardi file clam | |
Exogyra whitneyi oyster
Exogyra clarki Shattuck 1903 oyster | |
Stearnsia sp. White 1887 clam | |
cf. Homomya budaensis Whitney 1911 clam | |
Protocardia ? sp., "Granocardium budaense" = Granocardium (Criocardium) budaense
Protocardia ? sp. Beyrich 1845 cockle
"Granocardium budaense" = Granocardium (Criocardium) budaense Shattuck 1903 cockle | |
Pterotrigonia sp. van Hoepen 1929 clam | |
Gastropoda | |
Tylostoma harrisi snail | |
cf. Turritella semiatimgranulata turret shell
Turritella sp. Lamarck 1799 turret shell |