Where: Piura, Peru (4.7° S, 81.1° W: paleocoordinates 15.1° S, 111.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Negritos Formation, Early/Lower Eocene (55.8 - 48.6 Ma)
• LITHOSTRATIGRAPHY: From the Negritos Fm, which is regionally overlain by the Salina Gp (Middle Eocene). AGE: Regarded as Early Eocene (p. 9), on the basis of molluscan biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within formation.
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, glauconitic, pebbly, conglomeratic sandstone
Size class: macrofossils
Collected by Olsson; reposited in the PRI
Collection methods: surface (in situ),
• COLLECTOR: Not stated, but presumably A. Olsson. REPOSITORY: Not stated, but presumably PRI
Primary reference: A. A. Olsson. 1928. Contributions to the Tertiary paleontology of northern Peru: Part 1. Bulletins of American Paleontology 14(52) [A. Miller/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 88393: authorized by Austin Hendy, entered by Austin Hendy on 10.04.2009, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
| |
Gastropoda | |
"Calytraphorus (Aulacodiscus) lissoni" = Calyptraphorus lissoni
"Calytraphorus (Aulacodiscus) lissoni" = Calyptraphorus lissoni Douvillé 1921 snail | |
"Haminea labrea n. sp." = Lithophysema labrea
"Haminea labrea n. sp." = Lithophysema labrea Olsson 1928 snail |