Where: California (33.8° N, 118.3° W: paleocoordinates 33.8° N, 118.3° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Lomita Marl Formation, Middle Pleistocene (0.8 - 0.1 Ma)
• LITHOSTRATIGRAPHY: From the Lomita Marl, which is locally overlain by the Timms Point Silt and San Pedro Sand. AGE: Early Pleistocene in Woodring et al. (1946) and Valentine PhD, but is now regarded as Middle Pleistocene [A. Hendy]. STRATIGRAPHIC POSITION: From upper beds of the Lomita Marl.
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; unlithified, sandy, calcareous marl
Size classes: macrofossils, mesofossils
Preservation: original aragonite, original calcite
Collection methods: surface (float), surface (in situ)
• COLLECTOR: Unknown collector or date, but presumably c. 1920s. REPOSITORY: Unknown, but possibly CAS.
Primary reference: G. D. Hanna. 1923. Results of Preliminary Examination of Seven Samples of Sediments from near Lomita. Bulletin of the Southern California Academy of Sciences 22(2):64-68 [A. Hendy/A. Hendy]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 203106: authorized by Austin Hendy, entered by Austin Hendy on 26.07.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Tegula gallina multifilosa top snail | |
Bivalvia | |
Saxidomus nuttalli Conrad 1837 venus clam | |
Teredo sp. Linnaeus 1758 clam | |
Epilucina californica Conrad 1837 clam | |
"Hinnites giganteus" = Crassadoma gigantea
"Hinnites giganteus" = Crassadoma gigantea Gray 1825 scallop | |
Gastropoda | |
"Pachypoma gibberosum" = Pomaulax gibberosa, "Pomaulax undosus" = Megastraea undosa
"Pachypoma gibberosum" = Pomaulax gibberosa Dillwyn 1817 red turban
"Pomaulax undosus" = Megastraea undosa Wood 1828 snail | |
"Olivella biplicata" = Callianax biplicata
"Olivella biplicata" = Callianax biplicata Sowerby 1825 olive snail |