LACM loc. 3216 (Paleocene of the United States)

Where: Ventura County, California (34.2° N, 118.7° W: paleocoordinates 38.6° N, 98.0° W)

• coordinate stated in text

When: Paleocene (66.0 - 56.0 Ma)

Environment/lithology: marine; limestone

• dark rusty brown concretion in a limestone

Size class: mesofossils

Collected by W. Zinsmeister; reposited in the LACM

Primary reference: S. P. Applegate. 1975. A new species of Paleocene chimaeroid from California. Bulletin of the Southern California Academy of Sciences 74(1):27-30 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190534: authorized by Patricia Holroyd, entered by Patricia Holroyd on 10.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Chimaeriformes - Callorhynchidae
Ischyodus zinsmeisteri n. sp. Applegate 1975 plownose chimaera