Also known as Headwaters of Alamos Creek
Where: San Luis Obispo County, California (35.1° N, 120.2° W: paleocoordinates 30.4° N, 65.3° W)
• coordinate estimated from map
When: Franciscan Formation, Tithonian (152.1 - 145.0 Ma)
• Age.-Late Upper Jurassic, Berriasellidan.
Environment/lithology: marine; lithified, massive, brown, calcareous shale
Size class: macrofossils
Collected by N. L. Taliaferro
Primary reference: C. H. Crickmay. 1932. A New Jurassic Ammonite from the Coast Ranges of California. American Midland Naturalist 13(1):1-11 [J. Marcot/J. Marcot/J. Marcot]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 225935: authorized by Jonathan Marcot, entered by Jonathan Marcot on 08.06.2022
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Bochianites" sp. Lory 1898 ammonite | |
"Lytoceras" sp. Suess 1865 ammonite | |
Berriasella cf. calisto d'Orbigny 1850 ammonite
Substeueroceras sp. Spath 1922 ammonite
Protothurmannia rezanoffiana n. gen. n. sp. Crickmay 1932 ammonite | |
""Crioceras" sp." = Crioceratites
""Crioceras" sp." = Crioceratites Leveillé 1837 ammonite | |
"Phylloceras" sp. Suess 1865 ammonite | |
Pachyteuthis sp. Bayle 1878 belemnite | |
Bivalvia | |
Buchia terebratuloides Lahusen 1888 scallop |