Where: Orange County, California (33.6° N, 117.9° W: paleocoordinates 33.6° N, 117.9° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Late/Upper Pleistocene (0.1 - 0.0 Ma)
• STRATIGRAPHIC RELATIONS: From unnamed terrace deposits that overly the Niguel Fm (Late Pleistocene) AGE: Late Pleistocene, on the basis of geochemical dating. Uranium series dating (Grant et al., 1999) of a solitary coral from a nearby correlated locality gave an age of 122,000, giving the Fletcher Jones site an approximate age range of 120-125 Ka. STRATIGRAPHIC POSITION: From terrace deposits 2-2.5 m above an unconformity with the Niguel Fm.
• bed-level stratigraphic resolution
Environment/lithology: coastal; unlithified sandstone and poorly lithified, silty mudstone
Size classes: macrofossils, mesofossils
Collection methods: bulk, sieve,
• COLLECTOR; Powell et al. REPOSITORY: Orange Co. Paleontology Collections.
Primary reference: C. L. Powell II, L. B. Grant, and S. W. Conkling. 2005. Paleoecologic analysis and age of a late Pleistocene fossil assemblage from Upper Newport Bay, Newport Beach, Orange County, California. The Veliger 47(3):183-192 [A. Hendy/A. Hendy]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 96938: authorized by Austin Hendy, entered by Austin Hendy on 13.07.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
Dendraster excentricus Eschscholz 1826 sand dollar | |
Gastropoda | |
Melampus olivaceus Carpenter 1857 snail | |
"Tegula gallina" = Chlorostoma gallina, Calliostoma gemmulatum
"Tegula gallina" = Chlorostoma gallina Forbes 1850 top snail
Calliostoma gemmulatum Carpenter 1864 top snail | |
"Cerithidea californica" = Cerithideopsis californica
"Cerithidea californica" = Cerithideopsis californica Haldeman 1840 horn snail | |
Crucibulum spinosum Conrad 1855 slipper shell | |
"Neverita reclusianus" = Glossaulax reclusiana
"Neverita reclusianus" = Glossaulax reclusiana Deshayes 1839 moon snail | |
"Nassarius tegula" = Phrontis tegula
"Nassarius tegula" = Phrontis tegula Reeve 1853 snail | |
"Olivella baetica" = Callianax baetica
"Olivella baetica" = Callianax baetica Carpenter 1864 olive snail | |
"Stramonita biserialis" = Thais biserialis
"Stramonita biserialis" = Thais biserialis de Blainville 1832 murex snail | |
Bivalvia | |
Argopecten ventricosus Sowerby 1842 calico scallop | |
Anomia peruviana d'Orbigny 1846 jingle | |
Ostrea conchaphila Carpenter 1857 oyster | |
"Trachycardium cf. panamense" = Mexicardia procera
"Trachycardium cf. panamense" = Mexicardia procera Sowerby 1833 cockle | |
"Donax gouldi" = Donax (Donax) gouldii, "Donax californicus" = Donax (Paradonax) californicus
"Donax gouldi" = Donax (Donax) gouldii Dall 1921 clam
"Donax californicus" = Donax (Paradonax) californicus Conrad 1837 clam | |
Chama arcana Bernard 1976 jewel box | |
Chione cf. undatella, "Chione cf. fluctifraga" = Chionista fluctifraga, "Chione gnidia" = Chionopsis gnidia, Petricolaria cf. cognata
Chione cf. undatella Sowerby I 1835 venus clam
"Chione cf. fluctifraga" = Chionista fluctifraga Sowerby 1853 venus clam
"Chione gnidia" = Chionopsis gnidia Broderip and Sowerby I 1829 venus clam
Petricolaria cf. cognata Adams 1852 venus clam | |
"Mactromeris hemphilli" = Mactromeris hemphillii
| |
"Juliacorbula luteola" = Caryocorbula luteola
"Juliacorbula luteola" = Caryocorbula luteola Carpenter 1864 clam | |
Lucinisca nuttalli Conrad 1837 clam
Epilucina californica Conrad 1837 clam | |
Crassinella pacifica Adams 1852 clam | |
Thecostraca | |
? Balanus sp. Da Costa 1778 barnacle |