LACMIP 62, Timms Point (Pleistocene of the United States)

Where: Los Angeles County, California (33.7° N, 118.3° W: paleocoordinates 33.7° N, 118.3° W)

• coordinate based on nearby landmark

When: Timms Point Silt Formation, Middle Pleistocene (0.8 - 0.1 Ma)

• STRATIGRAPHY: Reassigned to Timms Point Silt (Hendy, 2021). AGE: Reassigned to middle Pleistocene, the accepted age of the Timms Point Silt (Hendy, 2021).

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by John Q Burch, Tom Burch, Effie M. Clark, G. Willett in 1937; reposited in the LACM

Primary reference: G. Willett. 1937. Additions to knowledge of the fossil invertebrate fauna of California. Bulletin of the Southern California Academy of Sciences 36(2):61-64 [J. Marcot/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 200409: authorized by Jonathan Marcot, entered by Jonathan Marcot on 02.04.2019, edited by Mark Uhen, Matthew Clapham and Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Cancridae
"Cancer (Romaleon) jordani" = Romaleon jordani3, "Cancer (Cancer) productus" = Cancer productus3
"Cancer (Romaleon) jordani" = Romaleon jordani3 Rathbun 1900 crab
"Cancer (Cancer) productus" = Cancer productus3 Randall 1839 crab
Gastropoda
 Sorbeoconcha - Barleeiidae
Barleeia oldroydi Bartsch 1920 snail
 Sorbeoconcha - Naticidae
"Natica russa" = Cryptonatica affinis
"Natica russa" = Cryptonatica affinis Gmelin 1791 moon snail
 Sorbeoconcha - Triphoridae
"Triphora fossilis n. sp." = Monophorus fossilis
"Triphora fossilis n. sp." = Monophorus fossilis Willett 1937 snail
 Sorbeoconcha - Vitrinellidae
Vitrinella stearnsi Bartsch 1907 snail
 Neogastropoda - Conidae
Propebela sp.2 Iredale 1918 cone shell
 Sorbeoconcha - Velutinidae
"Velutina laevigata" = Velutina velutina
"Velutina laevigata" = Velutina velutina Müller 1776 snail
 Sorbeoconcha - Triviidae
"Trivia ritteri" = Dolichupis ritteri
"Trivia ritteri" = Dolichupis ritteri Raymond 1903 snail
 Epitonioidea - Epitoniidae
"Epitonium sawinae" = Hirtoscala sawinae, "Epitonium catalinae" = Hirtoscala catalinae
"Epitonium sawinae" = Hirtoscala sawinae Dall 1903 wentletrap
"Epitonium catalinae" = Hirtoscala catalinae Dall 1908 wentletrap
 Trochoidea - Solariellidae
 Trochoidea - Turbinidae
"Leptothyra subobsoleta n. sp." = Homalopoma (Homalopoma) subobsoletum
"Leptothyra subobsoleta n. sp." = Homalopoma (Homalopoma) subobsoletum Willett 1937 snail
 Lepetellida - Fissurellidae
Puncturella delosi Arnold 1907 puncturella
Puncturella cooperi Carpenter 1864 puncturella
 Patellida - Lottiidae
Acmaea funiculata Carpenter 1864 limpet
Scaphopoda
 Dentaliida - Rhabdidae
"Dentalium rectius" = Rhabdus rectius
"Dentalium rectius" = Rhabdus rectius Carpenter 1864 tusk shell
Bivalvia
 Pectinida - Pectinoidae
"Pecten hastatus" = Chlamys hastata1
"Pecten hastatus" = Chlamys hastata1 Sowerby 1842 scallop
var navarchus
 Cardiida - Tellinidae
"Macoma carlottensis" = Psammacoma carlottensis
"Macoma carlottensis" = Psammacoma carlottensis Whiteaves 1880 tellin clam
 Cardiida - Chamidae
"Pseudochama granti" = Chama granti
"Pseudochama granti" = Chama granti Strong 1934 jewel box
 Hiatellida - Hiatellidae
"Panomya turgida" = Panomya norvegica
"Panomya turgida" = Panomya norvegica Spengler 1793 clam
Polyplacophora
 Neoloricata - Ischnochitonidae
Tripoplax sp.2 Berry 1919 chiton
 Neoloricata - Mopaliidae
Mopalia imporcata Carpenter 1864 chiton