UCR 6602 (Paleocene of the United States)

Also known as Simi Hills

Where: Los Angeles County, California (34.3° N, 118.6° W: paleocoordinates 38.6° N, 97.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Santa Susana Formation, Paleocene (66.0 - 56.0 Ma)

• "in the 'Martinez marine member' of Nelson (1925)... in a prominently exposed [single] bed... 479 m above the lower contact with the Simi Conglomerate" and belogns to "the 'Martinez Stage'" that "is apparently equivalent to the Ynezian Forminiferal Stage... early Paleocene to late Paleocene"

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, gray sandstone

• "shallow water marine"
• "indurated, dark gray sandstone"

Size class: macrofossils

Collected by J. D. Mount in 1968

Primary reference: J. D. Mount. 1976. A new species of Fulgoraria (Mollusca: Gastropoda) from the Paleocene of southern California. Journal of Paleontology 50(1):87-89 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90071: authorized by John Alroy, entered by John Alroy on 06.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Flabellidae
"Flabellum remondianum" = Flabellum cuneiforme
"Flabellum remondianum" = Flabellum cuneiforme Lonsdale 1845 stony coral
Bivalvia
 Pholadomyida - Pholadomyidae
Pholadomya sp. Sowerby 1823 clam
said to be new
 Cardiida - Veneridae
Macrocallista cf. furlongi Nelson 1925 venus clam
Gastropoda
 Epitonioidea - Epitoniidae
"Acrilla (Undiscala) sp." = Amaea (Undiscala)
"Acrilla (Undiscala) sp." = Amaea (Undiscala) de Boury 1909 wentletrap
said to be new
 Neogastropoda - Volutidae
Fulgoraria (Psephaea) zinsmeisteri n. sp. Mount 1976 volute
also present at UCR 6825 and UCR 6885
 Sorbeoconcha - Naticidae
"Amaurellina martinezensis" = Amauropsis martinezensis
"Amaurellina martinezensis" = Amauropsis martinezensis Dickerson 1914 moon snail
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium cf. cooperi Gabb 1864 tusk shell
Rhynchonellata
 Terebratulida - Kingenidae
Kingena simiensis Waring 1917