ammonites
Cal. Coast Ranges, Franciscan Complex, NSF-908 (Jurassic to of the United States)

Where: California (37.0° N, 122.0° W: paleocoordinates 32.3° N, 66.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Late/Upper Kimmeridgian to Late/Upper Kimmeridgian (155.7 - 145.5 Ma)

• lowermost Tithonian (uppermost Kimmeridgian)

•zone 3

•subzone 3 beta

•13,4 m above contact with CRO

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, gray limestone and lithified, tuffaceous, green chert

• Small, light-gray, micritic limestone nodules occurring in light-green tuffaceous chert

Size class: microfossils

Primary reference: E. Pessagno, W. M. Six, and Q. Yang. 1989. The Xiphostylidae Haeckel and Parvivaccidae, n. fam, (Radiolaria) from the North American Jurassic. Micropaleontology 35(3):193-255 [J. Pálfy/A. Kocsis] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 127813: authorized by József Pálfy, entered by Adam Kocsis on 24.05.2012