Contamana, CTA 15-3 (Cretaceous to of Peru)

Where: Loreto, Peru (7.2° S, 75.0° W)

• Paleocoordinates: 3.5° S, 33.7° W (Wright 2013)

• coordinate based on unpublished field data

When: Agua Caliente Formation, Aptian to Aptian (125.0 - 100.5 Ma)

Environment/lithology: shallow subtidal; lithified, argillaceous sandstone and lithified, black, argillaceous shale

• The Agua Caliente Formation comprises sandstones interbedded with black shales that correspond to sand bars and subtidal sedimentary environments (Kummel, 1948)

Size class: microfossils

Preservation: soft parts, original sporopollenin

Collection methods: chemical, hydrochloric, hydroflouric, sieve

Primary reference: P. Mejia-Velazquez, S. R. Manchester, and C. Jaramillo. 2012. Floristic reconstruction of two Lower Cretaceous sections from Peru during the period of early angiosperm diversification and their climatic implications. 13th International Palynological Congress and 9th International Organization of Palaeobotany Conference GS02-GS006 [C. Jaramillo/G. Doria/A. Cardenas ]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 144302: authorized by Carlos Jaramillo, entered by Gabriela Doria on 03.05.2013

Creative Commons license: CC0 (CC0)

Taxonomic list

Cycadopsida
 Gnetales -
Elaterocolpites "minutielateratus" Jardiné and Magloire 1965 elaterate
Asteropollis
  -
Asteropollis sp. Hedlund and Norris 1968
Angiospermae
 Chloranthales - Chloranthaceae