Where: Orange County, California (33.7° N, 117.6° W: paleocoordinates 39.5° N, 87.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Holz Shale Member (Ladd Formation), Middle Campanian (83.5 - 70.6 Ma)
• Ladd Formation, uppermost part of Holz Shale Member, immediately below Schultz Conglomerate member of the Williams Formation, early middle Campanian.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Collected by L.R. Saul in 1981; reposited in the LACM
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 185177: authorized by Matthew Clapham, entered by Matthew Clapham on 14.04.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Anchura phaba Elder and Saul 1996 snail |