Roaring River, Ono (Cretaceous of the United States)

Also known as Onoana californica type locality

Where: Shasta County, California (40.4° N, 122.7° W: paleocoordinates 39.3° N, 72.0° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Neocraspedites aguila ammonoid zone, Ogo Member (Budden Canyon Formation), Hauterivian (132.9 - 129.4 Ma)

• The locality is in the Neocraspedites aguila zone, the lowest biostratigraphic unit of the Horsetown stage (Murphy, 1956). Originally assigned to the Ono Formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; nodular, calcareous sandstone and mudstone

• "a limestone nodule in a calcareous grit associated with mudstones"

Size class: macrofossils

Collected by Michael A. Murphy and Peter Rodda; reposited in the BMNH

Primary reference: M. E. J. Chandler and D. I. Axelrod. 1961. An Early Cretaceous (Hauterivian) angiosperm fruit from California. American Journal of Science 259(6):441-446 [J. Marcot/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 216252: authorized by Jonathan Marcot, entered by Jonathan Marcot on 09.12.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Angiospermae
 Icacinales - Icacinaceae
Onoana californica n. gen. n. sp.
Onoana californica n. gen. n. sp. Chandler and Axelrod 1961 white pear