USGS Loc. 184, Bracketville [Bosquillas Fm] (Cretaceous of the United States)

Where: Kinney County, Texas (29.2° N, 100.3° W: paleocoordinates 28.4° N, 66.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Forbesiceras brundrettei ammonoid zone, Boquillas Formation, Early/Lower Cenomanian (99.6 - 93.5 Ma)

• STRATIGRAPHIC RELATIONS: From the Bosquillas Fm, for which lithostratigraphic relations are not discussed. AGE: Early Cenomanian, on the basis of ammonoid biostratigraphy; Forbesiceras brundrettei zone. STRATIGRAPHIC POSITION: Limestone near in lower part of the formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

• SPECIFIC LITHOLOGY: Limestone. LITHIFICATION: Lithified, assumed on the neighboring collections.

Size class: macrofossils

Preservation: replaced with silica

Collected by Hill in 1895; reposited in the OUM, TMM, USNM

Collection methods: surface (float),

• COLLECTOR: R.T. Hill, 1895. REPOSITORY: TMM, OUM, USNM.

Primary reference: W. J. Kennedy and W. A. Cobban. 1993. Lower Cenomanian Forbesiceras brundrettei zone ammonite fauna in Texas, USA. N. Jb. Geol. Palaont. Abh 188(3):327-344 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 88570: authorized by Austin Hendy, entered by Austin Hendy on 14.04.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonoids. NOMENCLATURE: Authoritative publication, with modern nomenclature and species-resolution identifications.
Cephalopoda
 Ammonitida - Turrilitidae
Mariella sp. Nowak 1916 ammonite
 Ammonitida - Baculitidae
Sciponoceras sp. Hyatt 1894 ammonite
 Ammonitida - Forbesiceratidae
Forbesiceras brundrettei Young 1958 ammonite
 Ammonitida - Desmoceratidae
Moremanoceras elgini Young 1958 ammonite