Loma el Macho, Level 2, Coahuila (Cretaceous of Mexico)

Where: Mexico (26.8° N, 103.6° W: paleocoordinates 28.9° N, 72.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Early/Lower Turonian (93.5 - 89.3 Ma)

• AGE: Early Turonian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From "Horizon 2".

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified marl

• shallow-water zone of the Coahuila Platform
• grey to bluish marls

Size class: macrofossils

Collected by Bose

Primary reference: E. Böse. 1920. On a new ammonite fauna of the lower Turonian of Mexico. University of Texas Bulletin 1856:173-262 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 73575: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.06.2007, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

• NOMENCLATURE: Originally published by Böse (1920); revised by Chancellor et al (1977); revised further and age refined by Chancellor (1982).
Show authors, comments, and common names
Cephalopoda
 Ammonitida - Vascoceratidae
Fagesia ? pervinquieri, "Fagesia haarmanni" = Fagesia catinus, "Paravascoceras aff. hartti" = Vascoceras harttii
Fagesia ? pervinquieri Böse 1920 ammonite
"Fagesia haarmanni" = Fagesia catinus Mantell 1822 ammonite
"Paravascoceras aff. hartti" = Vascoceras harttii Hyatt 1870 ammonite
 Ammonitida - Acanthoceratidae
Mammites mohavanensis, Pseudaspidoceras sp., Pseudaspidoceras footeanum
Mammites mohavanensis Böse 1923 ammonite
Pseudaspidoceras sp. Hyatt 1903 ammonite
Pseudaspidoceras footeanum Stolickzka 1864 ammonite