Where: Fresno County, California (36.6° N, 120.7° W: paleocoordinates 41.1° N, 99.7° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Moreno Member (Lodo Formation), Paleocene (66.0 - 56.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; lithified mudstone and lithified, glauconitic sandstone
Size classes: macrofossils, mesofossils
Preservation: cast, mold/impression
Primary reference: J. T. Smith. 1975. Age, Correlation and Possible Tethyan Affinities of Mollusks from the Lodo Formation of Fresno County, California. Paleogene Symposium & Selected Technical Papers: Conference on Future Energy Horizons of the Pacific Coast 464-483 [A. Miller/C. Ferguson]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 11117: authorized by Arnold Miller, entered by Chad Ferguson on 18.07.2001, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
"Flabellum remondianum" = Flabellum cuneiforme
"Flabellum remondianum" = Flabellum cuneiforme Lonsdale 1845 stony coral | |
Deltocyathus whitei Durham 1943 stony coral | |
"? Archohelia sp." = Petrophyllia
| |
Brachiopoda | |
Brachiopoda indet. Cuvier 1805 | |
Rhynchonellata | |
Eogryphus cf. tolmani Hertlein and Grant IV 1944 | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Cylichnina cf. tantilla Anderson and Hanna 1925 snail | |
Physa sp. Draparnaud 1801 snail | |
Gilbertina sp., "Tornatellaea pinguis" = Ringicula (Ringicula) pinguis
"Tornatellaea pinguis" = Ringicula (Ringicula) pinguis Gabb 1864 snail | |
Calyptraea cf. mamillaris Broderip 1834 slipper shell
Calyptraea diegoana Conrad 1855 slipper shell | |
? Epitonium aff. cookii Gardner 1933 wentletrap | |
Turritellidae indet., Turritella infragranulata, Turritella pachecoensis, Turritella reversa, Turritella stocki
Turritellidae indet. Lovén 1847 turret shell
Turritella infragranulata Gabb 1864 turret shell
Turritella pachecoensis Stanton 1896 turret shell
Turritella reversa Waring 1917 turret shell
Turritella stocki Merriam 1941 turret shell | |
Metacerithium packardi Nelson 1925 snail | |
Cypraea sp. Linnaeus 1758 cowry | |
"Priscoficus caudatus" = Urosyca caudata
| |
| |
Columbarium sp. von Martens 1881 snail | |
"Heteroterma striata" = Pyropsis striata
"Heteroterma striata" = Pyropsis striata Stanton 1896 snail | |
Olivella sp. Swainson 1831 olive snail
Olivella mathewsonii Gabb 1864 olive snail | |
Pseudoperissolax blakei Conrad 1855 murex snail
Typhis sp. Montfort 1810 murex snail | |
Retipirula crassitesta Gabb 1869 volute | |
Heteroterma trochoidea Gabb 1869 snail | |
? Turricula sp. Schumacher 1817 snail
? Surcula merriami Dickerson 1914 snail
? Turricula waringi Nelson 1925 snail | |
? Surculites mathewsonii Gabb 1864 turrid
Pleurofusia sp. de Gregorio 1890 turrid
Pleurofusia aff. fresnoensis Arnold 1909 turrid | |
? Fusinus simiensis, ""Latirus" buwaldana" = Fasciolaria buwaldana, Latirus sp., Latirus cf. roseburgensis
? Fusinus simiensis Nelson 1925 snail
""Latirus" buwaldana" = Fasciolaria buwaldana Dickerson 1915 tulip snail
Latirus sp. Monfort 1810 snail
Latirus cf. roseburgensis Hendon 1938 snail | |
Fusinus calabasasensis, "? Neptunea mucronata" = Sycum mucronatum
"? Neptunea mucronata" = Sycum mucronatum Gabb 1869 snail | |
Colubraria (Colubraria) sp., Brachysphingus mammilatus2, "Brachysphingus sinuatus" = Brachysphingus sinuatus, "Brachysphingus liratus" = Brachysphingus sinuatus
Colubraria (Colubraria) sp. Schumacher 1817 true whelk
"Brachysphingus sinuatus" = Brachysphingus sinuatus Gabb 1869 true whelk
"Brachysphingus liratus" = Brachysphingus sinuatus Gabb 1869 true whelk | |
? Ranellina aff. pilsbryi Stewart 1927 frog shell | |
| |
Polinices susanaensis, "Polinices aff. rectus" = Neverita (Neverita) washingtonensis, Polinices cf. nuciformis, "? Polinices cf. pinyonensis" = Natica pinyonensis, Lacunaria aff. striata, "? Ampullella cf. schencki" = Crommium pinyonensis, Crommium andersoni
Polinices susanaensis Nelson 1925 moon snail
"Polinices aff. rectus" = Neverita (Neverita) washingtonensis Weaver 1916 moon snail
Polinices cf. nuciformis Gabb 1864 moon snail
"? Polinices cf. pinyonensis" = Natica pinyonensis Dickerson 1914 moon snail
Lacunaria aff. striata Gabb 1869 moon snail
"? Ampullella cf. schencki" = Crommium pinyonensis Dickerson 1914 moon snail
Crommium andersoni Dickerson 1914 moon snail | |
Macrarene sp. Hertlein and Strong 1951 snail | |
Scaphopoda | |
Dentalium cooperi Gabb 1864 tusk shell | |
Bivalvia | |
Crassatella sp. Lamarck 1799 clam
Crassatella compacta Gabb 1869 clam
"? Cyrena cf. studleyi" = Crassatella studleyi Dickerson 1914 clam | |
Venericardia mulleri Verástegui 1953 clam | |
"? Arctica weaveri" = Mactromeris weaveri
"? Arctica weaveri" = Mactromeris weaveri Dickerson 1914 clam | |
? Meretrix stantoni Dickerson 1914 venus clam | |
"Eomiltha turneri" = Claibornites (Codalucina) turneri, Saxolucina sp.
"Eomiltha turneri" = Claibornites (Codalucina) turneri Stanton 1896 clam
Saxolucina sp. Stewart 1930 clam | |
Cucullaea mathewsonii Gabb 1864 clam | |
| |
"Brachidontes lawsoni" = Brachidontes (Brachidontes) lawsoni
"Brachidontes lawsoni" = Brachidontes (Brachidontes) lawsoni Nelson 1925 mussel | |
Acila (Truncacila) decisa Conrad 1855 divaricate nutclam |