Also known as LACMIP Loc. 16178
Where: Ventura County, California (34.8° N, 119.2° W: paleocoordinates 35.5° N, 105.1° W)
• outcrop-level geographic resolution
When: Juncal Formation, Lutetian (47.8 - 41.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; poorly lithified, lag, argillaceous siltstone and poorly lithified sandstone
Size class: macrofossils
Reposited in the LACM
Collection methods: bulk,
• Samples were taken for microfossil (nannos and planktonic forams)collections, but all were barren.
Primary reference: R. L. Squires. 1988. Eocene Macropaleontology of Northern Lockwood Valley, Ventura County, California. Contributions in Science (Natural History Museum of Los Angeles County) 398:1-23 [A. Miller/K. Layou]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 5542: authorized by Arnold Miller, entered by Karen Layou on 12.10.1999, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Polychaeta | |
"Rotularia (Rotularia) tejonensis" = Rotularia (Rotularia) tejonense
"Rotularia (Rotularia) tejonensis" = Rotularia (Rotularia) tejonense Arnold 1909 | |
Gastropoda | |
Pachycrommium clarki Stewart 1927 snail
Eocernina hannibali Dickerson 1914 snail | |
Calyptraea diegoana Conrad 1855 slipper shell | |
Turritella andersoni Dickerson 1916 turret shell
Turritella uvasana Conrad 1855 turret shell ? in locality information; Turritella uvasana hendoni (s.l.)
| |
"Olequahia domenginica" = Ranella domenginica
"Olequahia domenginica" = Ranella domenginica Vokes 1939 snail | |
Subepona leahae Groves and Squires 2023 cowry | |
Clavilithes tabulatus Dickerson 1913 snail | |
"Cryptoconus cooperi" = Turricula cooperi
"Cryptoconus cooperi" = Turricula cooperi Dickerson 1916 snail | |
Ectinochilus macilentus White 1889 true conch | |
Xenophora stocki Dickerson 1916 carrier shell | |
"Architectonica cognata" = Architectonica (Stellaxis) cognata
"Architectonica cognata" = Architectonica (Stellaxis) cognata Gabb 1864 sundial | |
Cylichnina tantilla Anderson and Hanna 1925 snail | |
Bivalvia | |
Pitar joaquinensis Vokes 1939 venus clam |