Near Quercotilla (Eocene of Peru)

Where: Peru (4.8° S, 80.7° W: paleocoordinates 7.3° S, 73.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Chira Formation, Priabonian (38.0 - 33.9 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, black, carbonaceous shale

• black, bituminous shale on weathering, break down into soft, powdery soil bands of white or yellowish volcanic ash found in many localities associated with thin seams of hard, plastery sandstones

Size class: macrofossils

Primary reference: A. A. Olsson. 1930. Contributions to the Tertiary Paleontology of Northern Peru: Part 3, Eocene Mollusca. Bulletins of American Paleontology 17(62):1-164 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 179594: authorized by Pete Wagner, entered by Pete Wagner on 21.06.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

 Neogastropoda - Buccinidae
Cyrtochetus ? chiraensis Olsson 1931 true whelk
 Neogastropoda - Fasciolariidae
 Neogastropoda - Mitridae
Strigatella peruviana n. sp. Olsson 1931 mitre shell
 Neogastropoda - Harpidae
Harpa myria n. sp.
Harpa myria n. sp. snail
 Neogastropoda - Drilliidae
Clathrodrillia mira n. sp. Olsson 1931 snail
 Cypraeoidea - Pediculariidae
"Cypraea (Cypraedia) chira" = Cypraedia (Eucypraedia) multicarinata
"Cypraea (Cypraedia) chira" = Cypraedia (Eucypraedia) multicarinata Dall 1890 snail
 Tonnoidea - Bursidae
Bursa chira Olsson 1930 frog shell