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 | |
Deltocyathus whitei Durham 1943 stony coral | |
"Flabellum remondianum" = Flabellum cuneiforme
"Flabellum remondianum" = Flabellum cuneiforme Lonsdale 1845 stony coral | |
"? Archohelia sp." = Petrophyllia
| |
Brachiopoda | |
Brachiopoda indet. Cuvier 1805 | |
Rhynchonellata | |
Eogryphus cf. tolmani Hertlein and Grant IV 1944 | |
Scaphopoda | |
Dentalium cooperi Gabb 1864 tusk shell | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Cylichnina cf. tantilla Anderson and Hanna 1925 snail | |
Calyptraea diegoana Conrad 1855 slipper shell
Calyptraea cf. mamillaris Broderip 1834 slipper shell | |
? Epitonium aff. cookii Gardner 1933 wentletrap | |
Polinices cf. nuciformis, Polinices susanaensis, "Polinices aff. rectus" = Neverita (Neverita) washingtonensis, Lacunaria aff. striata, Crommium andersoni, "? Ampullella cf. schencki" = Crommium pinyonensis, "? Polinices cf. pinyonensis" = Natica pinyonensis
Polinices cf. nuciformis Gabb 1864 moon snail
Polinices susanaensis Nelson 1925 moon snail
"Polinices aff. rectus" = Neverita (Neverita) washingtonensis Weaver 1916 moon snail
Lacunaria aff. striata Gabb 1869 moon snail
Crommium andersoni Dickerson 1914 moon snail
"? Ampullella cf. schencki" = Crommium pinyonensis Dickerson 1914 moon snail
"? Polinices cf. pinyonensis" = Natica pinyonensis Dickerson 1914 moon snail | |
Olivella sp. Swainson 1831 olive snail
Olivella mathewsonii Gabb 1864 olive snail | |
"Heteroterma striata" = Pyropsis striata
"Heteroterma striata" = Pyropsis striata Stanton 1896 snail | |
? Turricula sp. Schumacher 1817 snail
? Surcula merriami Dickerson 1914 snail
? Turricula waringi Nelson 1925 snail | |
Pleurofusia sp. de Gregorio 1890 turrid
Pleurofusia aff. fresnoensis Arnold 1909 turrid
? Surculites mathewsonii Gabb 1864 turrid | |
| |
Columbarium sp. von Martens 1881 snail | |
"? Neptunea mucronata" = Sycum mucronatum, Fusinus calabasasensis
"? Neptunea mucronata" = Sycum mucronatum Gabb 1869 snail | |
Latirus sp., Latirus cf. roseburgensis, ? Fusinus simiensis, ""Latirus" buwaldana" = Fasciolaria buwaldana
Latirus sp. Monfort 1810 snail
Latirus cf. roseburgensis Hendon 1938 snail
? Fusinus simiensis Nelson 1925 snail
""Latirus" buwaldana" = Fasciolaria buwaldana Dickerson 1915 tulip 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 | |
Retipirula crassitesta Gabb 1869 volute | |
Heteroterma trochoidea Gabb 1869 snail | |
Typhis sp. Montfort 1810 murex snail
Pseudoperissolax blakei Conrad 1855 murex snail | |
"Priscoficus caudatus" = Urosyca caudata
| |
? Ranellina aff. pilsbryi Stewart 1927 frog shell | |
| |
Cypraea sp. Linnaeus 1758 cowry | |
Metacerithium packardi Nelson 1925 snail | |
Turritellidae indet., Turritella infragranulata, Turritella stocki, Turritella pachecoensis, Turritella reversa
Turritellidae indet. Lovén 1847 turret shell
Turritella infragranulata Gabb 1864 turret shell
Turritella stocki Merriam 1941 turret shell
Turritella pachecoensis Stanton 1896 turret shell
Turritella reversa Waring 1917 turret shell | |
Gilbertina sp., "Tornatellaea pinguis" = Ringicula (Ringicula) pinguis
"Tornatellaea pinguis" = Ringicula (Ringicula) pinguis Gabb 1864 snail | |
Physa sp. Draparnaud 1801 snail | |
Macrarene sp. Hertlein and Strong 1951 snail | |
Bivalvia | |
Acila (Truncacila) decisa Conrad 1855 divaricate nutclam | |
"Brachidontes lawsoni" = Brachidontes (Brachidontes) lawsoni
"Brachidontes lawsoni" = Brachidontes (Brachidontes) lawsoni Nelson 1925 mussel | |
Cucullaea mathewsonii Gabb 1864 clam | |
| |
Saxolucina sp., "Eomiltha turneri" = Claibornites (Codalucina) turneri
Saxolucina sp. Stewart 1930 clam
"Eomiltha turneri" = Claibornites (Codalucina) turneri Stanton 1896 clam | |
? Meretrix stantoni Dickerson 1914 venus clam | |
"? Arctica weaveri" = Mactromeris weaveri
"? Arctica weaveri" = Mactromeris weaveri Dickerson 1914 clam | |
Venericardia mulleri Verástegui 1953 clam | |
Crassatella sp. Lamarck 1799 clam
Crassatella compacta Gabb 1869 clam
"? Cyrena cf. studleyi" = Crassatella studleyi Dickerson 1914 clam |