Where: Mexico (18.5° N, 100.8° W: paleocoordinates 16.8° N, 56.2° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Terrero Prieto Member (San Lucas Formation), Early/Lower Barremian to Early/Lower Barremian (130.0 - 125.5 Ma)
• lower part: Kotetishvilia compressissima zone, middle part: Coronites darsi zone, upper part: "Ancyloceras" vandenheckii zone; Tiringueo Section is a 41.8 m thick unit
• bed-level stratigraphic resolution
Environment/lithology: submarine fan; lithified limestone and lithified sandstone
Size class: macrofossils
Collection methods: quarrying,
Primary reference: R. Barragan, C. Gonzalez-Arreola, and A. B. Villasenor. 2004. Palaeoecological significance of Barremian ammonite assemblages and facies variations from Southwest Mexico. Lethaia 37:223-234 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 60782: authorized by Wolfgang Kiessling, entered by Uta Merkel on 23.05.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Ancyloceras" vandenheckii Astier 1851 ammonite
Acrioceras sp. Hyatt 1900 ammonite | |
Hamulinites sp. Paquier 1900 ammonite
Karsteniceras sp. Royo-Gomez 1945 ammonite | |
Anahamulina sp. Hyatt 1900 ammonite |