PBDB Collection

USGS loc. 18434, San Fernando Pass (Pliocene of the United States)

Also known as Winterer and Durham loc. F76; M 303

Where: Los Angeles County, California (34.3° N, 118.5° W: paleocoordinates 34.2° N, 117.6° W)

• coordinate estimated from map

When: Pico Formation, Late/Upper Pliocene (3.6 - 2.6 Ma)

Environment/lithology: coastal; lenticular, graded, conglomeratic sandstone

Size class: macrofossils

Collected by Winterer in 1951; reposited in the USGS

Primary reference: E. L. Winterer and D. L. Durham. 1962. Geology of southeastern Ventura basin, Los Angeles County, California. United States Geological Survey Professional Paper 334-H:275-366more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 238607: authorized by Jonathan Marcot, entered by Jonathan Marcot on 29.01.2025

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Gastropoda
Neogastropoda - Nassariidae	""Nassa" aff. moraniana" = Caesia moraniana ""Nassa" aff. moraniana" = Caesia moraniana Martin 1914 snail
Neogastropoda - Siphonaliidae	Calicantharus humerosus Calicantharus humerosus Gabb 1869 snail "intermediate form"
Cerithioidea - Turritellidae	Turritella cooperi Turritella cooperi Carpenter 1864 turret shell
Neotaenioglossa - Calyptraeidae	Crepidula cf. onyx, "Crepidula cf. aculeata" = Bostrycapulus aculeatus Crepidula cf. onyx Sowerby 1824 slipper shell "Crepidula cf. aculeata" = Bostrycapulus aculeatus Gmelin 1791 slipper shell
Bivalvia
Pectinida - Pectinoidae	Argopecten invalidus, Lyropecten cerrosensis, Patinopecten healeyi Argopecten invalidus Hanna 1924 calico scallop Lyropecten cerrosensis Gabb 1866 scallop Patinopecten healeyi Arnold 1906 scallop doubtful occurrence
Ostreida - Ostreidae	Myrakeena veatchii Myrakeena veatchii Gabb 1866 oyster "strongly plicate form"
Hiatellida - Hiatellidae	"Panope generosa" = Panopea generosa "Panope generosa" = Panopea generosa Gould 1850 clam doubtful occurrence
Solenida - Solenidae	"Solen cf. perrini" = Solena (Eosolen) perrini "Solen cf. perrini" = Solena (Eosolen) perrini Clark 1915 clam
Cardiida - Cardiidae	"Trachycardium cf. quadragenarium" = Dallocardia quadragenarium "Trachycardium cf. quadragenarium" = Dallocardia quadragenarium Conrad 1837 cockle
Cardiida - Tellinidae	"Tellina idae" = Idatellina idae, "Apolymetis cf. biangulata" = Leporimetis obesa, "Macoma secta" = Rexithaerus secta "Tellina idae" = Idatellina idae Dall 1891 tellin clam "Apolymetis cf. biangulata" = Leporimetis obesa Deshayes 1855 tellin clam "Macoma secta" = Rexithaerus secta Conrad 1837 tellin clam
Cardiida - Chamidae	"Pseudochama ? exogyra" = Chama exogyra "Pseudochama ? exogyra" = Chama exogyra Conrad 1837 jewel box
Cardiida - Veneridae	Amiantis cf. callosa, "Chione fernandoensis" = Chione (Anomalocardia) fernandoensis, "Protothaca cf. tenerrima" = Callithaca tenerrima, "Petricola ? carditoides" = Petricola (Petricola) carditoides Amiantis cf. callosa Conrad 1837 venus clam "Chione fernandoensis" = Chione (Anomalocardia) fernandoensis English 1914 venus clam "Protothaca cf. tenerrima" = Callithaca tenerrima Carpenter 1857 venus clam "Petricola ? carditoides" = Petricola (Petricola) carditoides Conrad 1837 venus clam
Lucinida - Lucinidae	Miltha xantusi, Parvilucina tenuisculpta, "Lucina excavata" = Here excavata, "Lucinisca nuttallii" = Lucinisca nuttalli Miltha xantusi Dall 1903 clam Parvilucina tenuisculpta Carpenter 1864 clam "Lucina excavata" = Here excavata Carpenter 1857 clam "Lucinisca nuttallii" = Lucinisca nuttalli Conrad 1837 clam
Carditida - Carditidae	"Cyclocardia cf. ventricosa" = Coanicardita ventricosa "Cyclocardia cf. ventricosa" = Coanicardita ventricosa Gould 1850 clam
Scaphopoda
Dentaliida - Dentaliidae	Dentalium neohexagonum Dentalium neohexagonum Sharp and Pilsbry 1897 tusk shell