Quebrada Paujil (Jurassic of Colombia)

Where: Meta, Colombia (4.1° N, 73.7° W: paleocoordinates 4.2° N, 41.8° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Upper Member (Brechas de Buenavista Formation), Late/Upper Tithonian (150.8 - 145.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified, black, sandy, calcareous shale and lithified, fine-grained sandstone

• This sequence was deposited in a shallow marine environment, surrounded by a rocky and steep coast.
• The member comprises marine rudites (breccias), feldespatic sandstones and siltstones. The fossils occurs on black shales and fine-grained sandstones. The shales have planar or wavy stratification. The sandstones show lenticular or wavy bedding.

Size class: macrofossils

• Bivalves, plants and fish remains are common. Only ammonites were studied.

Preservation: mold/impression

Collected in 1983-1984

Collection methods: quarrying,

Primary reference: J. Dorado Galindo. 1990. Contribucion al Conocimiento de la Estratigrafia de la Formacion Brechas de Buenavista (Limite Jurasico-Cretacico). Region Noroeste de Villavicencio (Meta). Geologia Colombiana (17)7-39 [A. Rojas/A. Rojas]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 191971: authorized by Alexis Rojas, entered by Alexis Rojas on 26.02.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Himalayitidae
Protacanthodiscus aff. andreaei, Hemispiticeras aff. steinmanni, Windhauseniceras cf. internispinosum, "Berriasella aff. pastorei" = Corongoceras alternans
Protacanthodiscus aff. andreaei Kilian 1889 ammonite
Hemispiticeras aff. steinmanni ammonite
(Steuer 1897)
"Berriasella aff. pastorei" = Corongoceras alternans Gerth 1925 ammonite
A. F. Leanza 1945
 Ammonitida - Neocomitidae
Berriasella cf. krantzi, Berriasella aff. peruviana, Substeueroceras cf. subquadratum
Berriasella cf. krantzi Leanza 1945 ammonite
A. F. Leanza 1945
Berriasella aff. peruviana Rivera 1951 ammonite
Rivera 1951
Substeueroceras cf. subquadratum Imlay 1939 ammonite
Imlay 1939
 Ammonitida - Protancyloceratidae
Leptoceras "sp. 2"
Leptoceras "sp. 2" Uhlig 1883 ammonite