Where: Tehama County, California (40.1° N, 121.8° W: paleocoordinates 47.4° N, 90.4° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Submortoniceras chicoense ammonoid zone, Tenmile Member (Chico Formation), Early/Lower Campanian (83.5 - 70.6 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Collected by J. Russell in 1986
Primary reference: W. P. Elder and L. R. Saul. 1996. Taxonomy and biostratigraphy of Coniacian through Maastrichtian Anchura (Gastropoda; Aporrhaiidae) of the North American Pacific slope. Journal of Paleontology 70(3):381-399 [M. Patzkowsky/K. Layou/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 3892: authorized by Mark Patzkowsky, entered by Karen Layou on 11.08.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Anchura callosa Whiteaves 1903 snail |