Where: Yolo County, California (38.5° N, 121.6° W: paleocoordinates 42.4° N, 103.0° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Ypresian (56.0 - 47.8 Ma)
• The invertebrate faunas from these localities have been assigned to the Capay stage of the Californian marine Eocene by Merriam and Turner (1937) and are correlative with one another and with faunas from the Cerros shale member of the Lodo formation, north of Coalinga, and from glauconitic shales and sandstones at Marysville Buttes.
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; gray shale
•
•prolific abundance of Trochocyathus indicates tropical waters and a depth of at least 366 meters
Size class: macrofossils
Reposited in the UCMP
Primary reference: H. Bentson. 1943. Eocene (Capay) corals from California. Journal of Paleontology 17(3):289-297 [W. Kiessling/A. Girndt]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 78721: authorized by Wolfgang Kiessling, entered by Antje Girndt on 15.02.2008
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Stephanophyllia californica Nomland 1916 stony coral | |
Trochocyathus (Aplocyathus) durhami n. sp., Trochocyathus crooki, Trochocyathus nomlandi n. sp., Trochocyathus imperialis, Platytrochus merriami
Trochocyathus (Aplocyathus) durhami n. sp. stony coral
Trochocyathus crooki Merriam and Turner 1937 stony coral
Trochocyathus nomlandi n. sp. Bentson 1943 stony coral
Trochocyathus imperialis Nomland 1916 stony coral
Platytrochus merriami Nomland 1916 stony coral | |
Flabellum clarki n. sp.
Flabellum clarki n. sp. Bentson 1943 stony coral | |
Balanophyllia variabilis Nomland 1916 stony coral |