UCR loc. 8379, Fish Canyon Truck Trail (Paleocene of the United States)

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

• Description: Interbedded, thin-bedded sandstone and mudstone and three pebbly mudstone beds. Fossil material most abundant in pebbly mudstone.

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

Show authors, comments, and common names
Foraminifera
 Foraminifera -
Foraminifera indet.
Chondrichthyes
 Lamniformes - Otodontidae
"Lamna cf. appendiculata" = Cretalamna appendiculata
"Lamna cf. appendiculata" = Cretalamna appendiculata Agassiz 1835 mackerel shark
Scaphopoda
  -
Dentalium whiteavesi
Dentalium whiteavesi Anderson and Hanna 1935 tusk shell
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
 Sorbeoconcha - Naticidae
Gyrodes sp.
Gyrodes sp. Conrad 1860 moon snail
 Neogastropoda - Clavatulidae
Turricula cf. waringi
Turricula cf. waringi Nelson 1925 snail
 Neogastropoda - Melongenidae
Fusinus cf. waringi
Fusinus cf. waringi Nelson 1925 snail
 Neogastropoda - Tudiclidae
Heteroterma "n. sp."
Heteroterma "n. sp." Gabb 1869 snail
 Cerithioidea - Metacerithiidae
Metacerithium "n. sp."
Metacerithium "n. sp." Cossmann 1906 snail
 Cerithioidea - Turritellidae
Turritella "n. sp.", Turritella pachecoensis, Turritella cf. subuvasana, Turritella reversa
Turritella "n. sp." Lamarck 1799 turret shell
Turritella pachecoensis Stanton 1896 turret shell
as ssp. "Turtitella pachecoensis n. subsp."
Turritella cf. subuvasana Nelson 1925 turret shell
Turritella reversa Waring 1917 turret shell
 Heterostropha - Ringiculidae
"Tornatellaea pinguis" = Ringicula (Ringicula) pinguis
"Tornatellaea pinguis" = Ringicula (Ringicula) pinguis Gabb 1864 snail
Bivalvia
  -
Bivalvia indet.
Bivalvia indet. Linnaeus 1758 clam
 Ostreida - Ostreidae
Ostrea sp.
Ostrea sp. Linnaeus 1758 oyster
 Cardiida - Veneridae
Macrocallista furlongi
Macrocallista furlongi Nelson 1925 venus clam
misspelled as "Macrocalista furlongi"
Anthozoa
 Hexacorallia -
Scleractinia indet.
Scleractinia indet. Bourne 1900 stony coral
"colonial"
 Scleractinia - Caryophylliidae
? Trochocyathus sp.
? Trochocyathus sp. Milne-Edwards and Haime 1848 stony coral