Where: Piura, Peru (5.0° S, 80.2° W: paleocoordinates 7.5° S, 73.8° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Mancora Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)
• basal Oligocene according to Higley 2004
•very similar to Mirador Conglomerates
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; coarse-grained conglomerate and brown, conglomeratic sandstone
•plants typical of "humid, lowland tropics... not represnted at the present time at all"
•plants described by Berry (1924, 1927, 1929)
•no marine fossils found with them, but mollusks similar to Belen are found nearby
Size class: macrofossils
Preservation: replaced with other
Primary reference: A. A. Olsson. 1931. Contributions to the Tertiary Paleontology of Northern Peru: Part 4, The Peruvian Oligocene. Bulletins of American Paleontology 17(63) [L. Ivany/L. Ivany]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 64545: authorized by Linda Ivany, entered by Linda Ivany on 10.09.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Angiospermae | |
Cissus willardi Berry 1929 | |
Malvacarpus octolocolus mallow | |
Fagara piurana Berry 1929 citrus | |
Anacardium pervianus cashew | |
Leguminosites mucunoides legume
Leguminosites belensis Berry 1929 legume | |
Vantanea compressiformis Berry 1929 | |
Ficus sphericus Berry 1929 fig | |
Anona peruviana Berry 1927 custard apple | |
Virola tertiaria Berry 1929 magnoliids | |
Tetracera belensis Berry 1929 | |
Lithospermites glabrum Berry 1929 borage | |
Psychotria eogenica Berry 1929 coffee | |
Palmocarpon bravoi Berry 1927 palm
Palmocarpon cocoides Berry 1929 palm
Palmocarpon belensis Berry 1929 palm | |
Magnoliopsida | |
Cupanoides peruvianus Berry 1927 | |
Carpolithes | |
Matayba | |
Ampelocissus | |
Ampelocissus bravoi Berry 1929 | |
Uragoga | |
Uragoga tertiaria Berry 1929 | |
Jatropha | |
Jatropha tertiaria Berry 1929 | |
Saccoglottis | |
Saccoglottis cipaconensis Berry 1924 |