CSUN loc. 219. North side of Sharps Canyon [Matilija Sandstone] (Eocene of the United States)

Also known as LACMIP 40219

Where: California (34.5° N, 118.7° W: paleocoordinates 35.3° N, 104.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: CP12a nannofossil zone, Matilija Formation, Lutetian (47.8 - 41.3 Ma)

• Base of formation. P9 & NP14 zones. Same bed as that at localities 231 and 232. AGE: revised to Lutetian and "Matilija Sandstone" following EPICC stratigraphic revision.

• group of beds-level stratigraphic resolution

Environment/lithology: delta front; sandstone

• Delta-front deposits

Size class: macrofossils

Reposited in the UCMP

Primary reference: R. L. Squires. 1987. Eocene molluscan paleontology of the Whitaker Peak area, Los Angeles and Ventura counties, California. Contributions in Science, Natural History Museum of Los Angeles County 388:1-93 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 178777: authorized by Pete Wagner, entered by Pete Wagner on 14.05.2016, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Carditida - Crassatellidae
Crassatella uvasana Conrad 1855 clam
 Cardiida - Cardiidae
"Nemocardium linteum" = Nemocardium (Nemocardium) linteum
"Nemocardium linteum" = Nemocardium (Nemocardium) linteum Conrad 1855 cockle
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium stentor Anderson and Hanna 1925 tusk shell
Gastropoda
 Opisthobranchia - Cylichnidae
 Opisthobranchia - Retusidae
Cylichnina tantilla Anderson and Hanna 1925 snail
 Architaenioglossa - Ampullinidae
Eocernina ? hannibali Dickerson 1914 snail
Pachycrommium clarki Stewart 1927 snail
 Sorbeoconcha - Strombidae
"Ectinochilus (Macilentos) macilentus" = Rimella macilenta
"Ectinochilus (Macilentos) macilentus" = Rimella macilenta White 1889 true conch
 Sorbeoconcha - Ficidae
Ficopsis remondii Gabb 1864 fig shell
Ficopsis remondii crescentensis
 Neogastropoda - Conidae
Conus remondii Gabb 1864 cone shell
 Neogastropoda - Turridae
Surculites mathewsonii Gabb 1864 turrid
 Sorbeoconcha - Cassidae
"Phalium (Semicassis) tuberculiformis" = Coalingodea tuberculiformis
"Phalium (Semicassis) tuberculiformis" = Coalingodea tuberculiformis Gabb 1864 snail
 Sorbeoconcha - Naticidae
Amaurellina caleocia Vokes 1939 moon snail
Polinices (Euspira) nuciformis Gabb 1864 moon snail
 Cerithioidea - Turritellidae
Turritella uvasana Conrad 1855 turret shell
Turritella uvasana applinae
 Cerithioidea - Cerithiidae
"? Bittium dumblei" = Cerithium dumblei
"? Bittium dumblei" = Cerithium dumblei Dickerson 1916 cerith snail