USGS Cenozoic M4641 Liveoak Canyon (Eocene of the United States)

Also known as UCMP IP8660

Where: Kern County, California (35.0° N, 118.9° W)

• Paleocoordinates: 40.0° N, 98.1° W (Wright 2013)

• coordinate stated in text

• outcrop-level geographic resolution

When: Metralla Sandstone Member (Tejon Formation), Middle Eocene (47.8 - 37.7 Ma)

• near top of Metralla Sandstone

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by Nilsen, T. H. in 1971; reposited in the UCMP

Primary reference: T. H. Nilsen. 1987. Stratigraphy and sedimentology of the Eocene Tejon Formation, western Tehachapi and San Emigdio mountains, California. United States Geological Survey Professional Paper 1268:1-110 [A. Miller/A. Hendy/R. McClees-Funinan]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 194184: authorized by Patricia Holroyd, entered by Patricia Holroyd on 16.06.2018

Creative Commons license: CC0 (CC0)

Taxonomic list

• Identified by W.O. Addicott.
Show authors, comments, and common names
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
internal molds of two taxa
 Heterostropha - Pyramidellidae
Pyramidellidae indet.
Pyramidellidae indet. Gray 1840 snail
 Sorbeoconcha - Ficidae
Ficus mammilatus, "Ficopsis remondi" = Ficus remondii
"Ficopsis remondi" = Ficus remondii Gabb 1864 fig shell
 Neogastropoda - Conidae
Conus horni
Conus horni cone shell
 Neogastropoda - Nassariidae
Molopophorus striatus
Molopophorus striatus Gabb 1869 snail
 Neogastropoda - Buccinidae
Strepsidura ? ficus
Strepsidura ? ficus Gabb 1864 true whelk
 Neogastropoda - Muricidae
""Murex" ? beali" = Muricopsis whitneyi
""Murex" ? beali" = Muricopsis whitneyi Gabb 1864 murex snail
 Neogastropoda - Olividae
"Olivella mathewsoni" = Olivella mathewsonii
"Olivella mathewsoni" = Olivella mathewsonii Gabb 1864 olive snail
 Neogastropoda - Cancellariidae
? Bonellitia sp.
? Bonellitia sp. Jousseaume 1887 snail
 Sorbeoconcha - Strombidae
"Ectinochilus sp." = Rimella
"Ectinochilus sp." = Rimella Agassiz 1840 true conch
 Sorbeoconcha - Bursidae
Ranellina ? pilsbryi, Olequahia horni
Ranellina ? pilsbryi Stewart 1927 frog shell
Olequahia horni frog shell
 Sorbeoconcha - Naticidae
Polinices horni, ? Neverita sp.
Polinices horni moon snail
? Neverita sp. Risso 1826 moon snail
 Neotaenioglossa - Calyptraeidae
Calyptraea diegoana
Calyptraea diegoana Conrad 1855 slipper shell
 Neotaenioglossa - Trichotropidae
"Crepidula pileum" = Spirocrypta pileum
"Crepidula pileum" = Spirocrypta pileum Gabb 1864 snail
 Cerithioidea - Turritellidae
Turritella uvasana sargeanti
Turritella uvasana sargeanti Anderson and Hanna 1925 turret shell
Bivalvia
 Nuculanida - Nuculanidae
"Nuculana cf. gabbi" = Nuculana gabbii, "Nuculana uvasana" = Saccella uvasana
"Nuculana cf. gabbi" = Nuculana gabbii Conrad 1866 pointed nut clam
"Nuculana uvasana" = Saccella uvasana Dickerson 1915 pointed nut clam
 Carditida - Carditidae
Venericardia sp.
Venericardia sp. Lamarck 1801 clam
minute specimens
 Solenida - Solenidae
? Solen sp.
? Solen sp. Linnaeus 1758 clam
 Cardiida - Cardiidae
? Nemocardium sp., Acanthocardia breweri
? Nemocardium sp. Meek 1876 cockle
 Cardiida - Tellinidae
Tellinidae indet.
Tellinidae indet. Blainville 1814 tellin clam
 Cardiida - Mactridae
"Spisula cf. merriami" = Mactromeris merriami, "Spisula cf. acutirostrata" = Mactromeris acutirostrata
"Spisula cf. merriami" = Mactromeris merriami Packard 1916 clam
"Spisula cf. acutirostrata" = Mactromeris acutirostrata Packard 1916 clam
 Cardiida - Veneridae
Callista cf. horni, Pitar cf. uvasana, "Callista cf. conradiana" = Microcallista (Costacallista) conradiana
Pitar cf. uvasana Conrad 1855 venus clam
"Callista cf. conradiana" = Microcallista (Costacallista) conradiana Gabb 1864 venus clam
 Pholadida - Corbulidae
Corbula horni