Where: Peru (4.9° S, 81.1° W: paleocoordinates 13.3° S, 110.1° W)

When: Negritos Formation, Middle Eocene (47.8 - 37.7 Ma)

Environment/lithology: marine; lithified sandstone

Size class: macrofossils

Collected by H.H. Sutter

• Repository: M.N.H.B. (Museum of Natural History at Basel, Switzerland)

Primary reference: A. K. Miller. 1947. Tertiary nautiloids of the Americas. Geological Society of America Memoir 23:1-234 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 169277: authorized by Matthew Clapham, entered by Kristina Okamoto on 14.05.2015

Creative Commons license: CC BY (attribution)