Where: Biobío, Chile (36.8° S, 71.8° W: paleocoordinates 39.3° S, 62.3° W)
• coordinate stated in text
• local area-level geographic resolution
When: Ligorio Márquez Formation, Paleogene (66.0 - 23.0 Ma)
Environment/lithology: fluvial; lithified, fine-grained sandstone
Size class: microfossils
Preservation: soft parts, original sporopollenin
Collected by R. de la Cruz, M. Suárez
• Repositories: Palinoteca del Departamento de Ciencias de la Tierra de la Universidad de Concepción.
Primary reference: A. Troncoso, M. Suárez, R. Cruz and S. Palma-Heldt. 2002. Paleoflora de la Formación Ligorio Márquez (XI Región, Chile) en su localidad tipo: sistemática, edad e implicancias paleoclimáticas. Revista Geológica de Chile 29(1):113-135 [C. Jaramillo/J. Moreno]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 152434: authorized by Carlos Jaramillo, entered by Jessica Moreno on 21.11.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
Tricolpites communis Archangelsky 1973 | |
Proteacidites parvus Cookson 1950 | |
Podocarpidites marwickii Couper 1953 podocarp
Podocarpidites otagoensis Couper 1953 podocarp | |
Magnoliopsida | |
Haloragacidites harrisii Mildenhall and Harris 1971
Retitricolporites sp. Van der Hammen and Wymstra 1964 | |
Pteridopsida | |
Leiotriletes regularis Krutzsch 1959
Cyathidites minor Couper 1953 | |
Polypodiopsida | |
Laevigatosporites ovatus Wilson and Webster 1946 | |
Trilites parvallatus Krutzsch 1959 | |
Clavifera triplex Bolkhovitina 1966 | |
Verrucosisporites sp. Potonie and Kremp 1954 |