Loma el Macho, Level 3, 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: Mytiloides labiatus inoceramid zone, Early/Lower Turonian (93.5 - 89.3 Ma)

• AGE: Early Turonian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From "Horizon 3".

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• shallow-water zone of the Coahuila Platform
• grey hard limestones

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 73576: 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
Bivalvia
  - Aviculidae
Avicula sp.
Avicula sp. Bruguière 1791 clam
 Myalinida - Inoceramidae
"Inoceramus labiatus" = Mytiloides labiatus
"Inoceramus labiatus" = Mytiloides labiatus Schlotheim 1813 clam
 Carditida - Crassatellidae
Crassatella sp.
Crassatella sp. Lamarck 1799 clam
 Trigoniida - Trigoniidae
Trigonia sp.
Trigonia sp. Bruguière 1789 clam
Cephalopoda
 Ammonitida - Acanthoceratidae
Mammites mohovanensis
 Ammonitida - Vascoceratidae
? Vascoceras sp., Paravascoceras angermanni, Paravascoceras carteri, "Paravascoceras hartti" = Vascoceras harttii, Vascoceras cf. gamai, Neoptychites sp.
? Vascoceras sp. Choffat 1898 ammonite
Paravascoceras angermanni Böse 1920 ammonite
Paravascoceras carteri Barber 1957 ammonite
"Paravascoceras hartti" = Vascoceras harttii Hyatt 1870 ammonite
Vascoceras cf. gamai Choffat 1898 ammonite
Neoptychites sp. Kossmat 1895 ammonite
 Ammonitida - Pseudotissotiidae
Pseudotissotia cf. nigeriense, "Pseudotissotia adkinsi" = Thomasites adkinsi
"Pseudotissotia adkinsi" = Thomasites adkinsi Kummel and Decker 1954 ammonite
 Ammonitida - Pseudotissotidae
Wrightoceras cf. munieri
Wrightoceras cf. munieri Pervinquiére 1907 ammonite
Gastropoda
 Sorbeoconcha - Tylostomatidae
Tylostoma sp.
Tylostoma sp. Sharpe 1849 snail