UCMP loc. 3776, Runkle Canyon (Paleocene of the United States)

Where: Ventura County, California (34.2° N, 118.7° W: paleocoordinates 38.5° N, 98.4° W)

When: Santa Susana Formation, Selandian (61.6 - 59.2 Ma)

• "Martinez marine member," Selandian {Turritella peninsularis Zone).

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by R. N. Nelson in 1920's; reposited in the UCMP

Primary reference: R. N. Nelson. 1925. A contribution to the paleontology of the Martinez Eocene of California. University of California Publications in Geological Sciences 15(11):397-466 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 215686: authorized by Jonathan Marcot, entered by Jonathan Marcot on 18.11.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Nuculanida - Nuculanidae
"Leda cf. gabbi" = Nuculana (Saccella) gabbii
"Leda cf. gabbi" = Nuculana (Saccella) gabbii Conrad 1866 pointed nut clam
 Mytilida - Mytilidae
"Septifer susanaensis n. sp." = Brachidontes (Brachidontes) susanaensis
"Septifer susanaensis n. sp." = Brachidontes (Brachidontes) susanaensis Nelson 1925 mussel
 Pholadida - Corbulidae
Corbula franklini n. sp.
Corbula franklini n. sp. Nelson 1925 clam
 Cardiida - Tellinidae
"Tellina crooki n. sp." = Tellina (Megangulus) crooki
"Tellina crooki n. sp." = Tellina (Megangulus) crooki Nelson 1925 tellin clam
 Cardiida - Veneridae
Macrocallista stantoni, Macrocallista furlongi n. sp.
Macrocallista stantoni Waring 1917 venus clam
Macrocallista furlongi n. sp. Nelson 1925 venus clam
 Carditida - Crassatellidae
"Crassatellites branneri" = Crassatella branneri
"Crassatellites branneri" = Crassatella branneri Waring 1914 clam
Gastropoda
 Sorbeoconcha - Naticidae
Polinices (Euspira) simiensis n. sp.
Polinices (Euspira) simiensis n. sp. Nelson 1925 moon snail
 Sorbeoconcha - Vitrinellidae
Adeorbis woodfordi n. sp.
Adeorbis woodfordi n. sp. Nelson 1925 snail
 Neogastropoda - Pyropsidae
Pyropsis fantozzii3
Pyropsis fantozzii3 Saul 1988 snail
 Neogastropoda - Volutidae
Retipirula crassitesta
Retipirula crassitesta Gabb 1869 volute
 Neogastropoda - Clavatulidae
Turricula calafia
Turricula calafia Nelson 1925 snail
 Neogastropoda - Buccinidae
Brachysphingus gibbosus n. sp.
Brachysphingus gibbosus n. sp. Nelson 1925 true whelk
 Neogastropoda - Melongenidae
Fusinius (? Levifusus) waringi n. sp.
Fusinius (? Levifusus) waringi n. sp. Nelson 1925 snail
 Neogastropoda - Ptychatractidae
? Exilia sp.1
? Exilia sp.1 Conrad 1860 snail
too poor to be even generically determinable
 Sorbeoconcha - Eocypraeidae
"Ovula novasumma n. sp." = Eocypraea novasumma
"Ovula novasumma n. sp." = Eocypraea novasumma Nelson 1925 snail
 Cerithioidea - Turritellidae
Turritella reversa2, Turritella pachecoensis2, Turritella hannai2, Mesalia martinezensis2
Turritella reversa2 Waring 1917 turret shell
Turritella pachecoensis2 Stanton 1896 turret shell
Turritella hannai2 Nelson 1925 turret shell
Mesalia martinezensis2 Gabb 1869 turret shell
 Heterostropha - Acteonidae
Acteon venturaensis
Acteon venturaensis Nelson 1925 snail
1Bentson 1940; 2Merriam 1941; 3Saul 1988