Where: Santa Cruz County, California (37.0° N, 122.1° W: paleocoordinates 42.2° N, 99.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Locatelli Formation, Danian (66.0 - 61.6 Ma)
• From lower part of formation. Oldest sedimentary sequence in Santa Cruz county; erosion remnants; as much as 240-270m of siltstone is preserved in area; rests unconformably upon crystaline basement - and is overlain unconformably by the Lompico Sandstone and Santa Margarita Sandstone
• bed-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified, micaceous, brown, gray, yellow siltstone
Size class: macrofossils
Reposited in the UMMP
Collection methods: quarrying,
• Also collections at USGS, Menlo Park
Primary reference: J. C. Clark. 1981. Stratigraphy, paleontology, and geology of the Central Santa Cruz Mountains, California Coast Ranges. United States Geological Survey Professional Paper 1168:1-51 [A. Miller/A. Hendy/R. McClees-Funinan]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 37396: authorized by Austin Hendy, entered by Austin Hendy on 14.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Malacostraca | |
Raninoides sp. Feldmann et al. 1996 crab | |
Scaphopoda | |
Dentalium sp. Linnaeus 1758 tusk shell | |
Bivalvia | |
Lucinoma sp. Dall 1901 clam | |
Nuculana sp. Link 1807 pointed nut clam | |
Gastropoda | |
Turritella cf. infragranulata Gabb 1864 turret shell
Turritella pachecoensis Stanton 1896 turret shell | |
"Perissolax tricarnatus" = Pseudoperissolax tricarnatus
"Perissolax tricarnatus" = Pseudoperissolax tricarnatus Weaver 1905 murex snail |