Sierra de la Gloria [Del Rio Fm] (Cretaceous of Mexico)

Where: Coahuila de Zaragoza, Mexico (26.8° N, 101.2° W: paleocoordinates 26.2° N, 67.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Del Rio Formation, Early/Lower Cenomanian (99.6 - 93.5 Ma)

• STRATIGRAPHIC RELATIONS: From the Del Rio Fm, which overlies the Georgetown Beds (Cenomanian) and is overlain by the Buda Fm. AGE: Early Cenomanian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From near base of formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

• ENVIRONMENT: Not discussed in text.
• SPECIFIC LITHOLOGY: Not stated in text. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Collected by Lozo

• COLLECTOR: F. E. Lozo. REPOSITORY: UT and WSA.

Primary reference: K. Young. 1979. Lower Cenomanian and Late Albian (Cretaceous) ammonites, especially Lyelliceridae, or Texas and Mexico. Texas Memorial Museum Bulletin 26:1-99 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88765: authorized by Austin Hendy, entered by Austin Hendy on 19.04.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonoids. NOMENCLATURE: Authoritative publication, with relatively modern nomenclature and species-resolution identifications.
Show authors, comments, and common names
Cephalopoda
 Ammonitida - Lyelliceratidae
"Stoliczkaia crotaloides" = Stoliczkaia (Lamnayella) crotaloides
"Stoliczkaia crotaloides" = Stoliczkaia (Lamnayella) crotaloides Stoliczka 1864 ammonite