Sonora, near [Buda Limestone] (Cretaceous of the United States)

Where: Sutton County, Texas (30.6° N, 100.6° W: paleocoordinates 29.8° N, 65.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Buda Limestone Formation, Early/Lower Cenomanian (99.6 - 93.5 Ma)

• STRATIGRAPHIC RELATIONS: From the Buda Limestone, which overlies the Del Rio Fm (Cenomanian), and is correlative with the Grasyon Fm. AGE: Early Cenomanian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From middle member of formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, nodular limestone

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

Size class: macrofossils

Collected by Lowe

• COLLECTOR: B. Lowe. 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 88742: 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
Budaiceras hyatti, Budaiceras elegantior, "Faraudiella texana" = Neophlycticeras (Neophlycticeras) texanum
Budaiceras hyatti Shattuck 1903 ammonite
Budaiceras elegantior Lasswitz 1904 ammonite
"Faraudiella texana" = Neophlycticeras (Neophlycticeras) texanum Shattuck 1903 ammonite