Where: Los Angeles County, California (34.6° N, 118.6° W: paleocoordinates 39.5° N, 96.5° W)
• coordinate estimated from map
When: San Francisquito Formation, Early/Lower Paleocene (66.0 - 61.7 Ma)
• Approximately 50 m above basal unconformity between basement and San Francisquito Formation. Stratigraphic Unit: KTsc
Environment/lithology: marine; pebbly mudstone and sandstone
Size class: macrofossils
Collected by M. A. Kooser
Primary reference: M. A. Kooser. 1980. Stratigraphy and Sedimentology of the San Francisquito Formation, Transverse Ranges, California. 1-201 [J. Marcot/J. Marcot]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 192824: authorized by Jonathan Marcot, entered by Jonathan Marcot on 19.04.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Foraminifera | |
Foraminifera indet. foram | |
Anthozoa | |
| |
? Trochocyathus sp. Milne-Edwards and Haime 1848 stony coral | |
Chondrichthyes | |
"Lamna cf. appendiculata" = Cretalamna appendiculata
"Lamna cf. appendiculata" = Cretalamna appendiculata Agassiz 1835 mackerel shark | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Gyrodes sp. Conrad 1860 moon snail | |
Fusinus cf. waringi Nelson 1925 snail | |
Heteroterma "n. sp." Gabb 1869 snail | |
Turricula cf. waringi Nelson 1925 snail | |
Metacerithium "n. sp." Cossmann 1906 snail | |
Turritella "n. sp." Lamarck 1799 turret shell
Turritella cf. subuvasana Nelson 1925 turret shell
Turritella reversa Waring 1917 turret shell | |
"Tornatellaea pinguis" = Ringicula (Ringicula) pinguis
"Tornatellaea pinguis" = Ringicula (Ringicula) pinguis Gabb 1864 snail | |
Scaphopoda | |
Dentalium whiteavesi Anderson and Hanna 1935 tusk shell | |
Bivalvia | |
Bivalvia indet. Linnaeus 1758 clam | |
| |
Ostrea sp. Linnaeus 1758 oyster |