UCLA loc. 4117, Jalama Creek (Cretaceous of the United States)

Also known as LACMIP loc. 24117

Where: Santa Barbara County, California (34.5° N, 120.4° W: paleocoordinates 40.6° N, 90.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: V Member (Jalama Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• scale of strat. resolution could be group of beds. JA: the Jalama Formation is lower upper Campanian according to Squires and Saul 2003

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, gray, yellow sandstone and conglomerate

• "180-230' thick. Hard, light grayish to buff, bedded arkosic sandstone, lenses of pebble conglomerate near base."

Size class: macrofossils

Collection methods: mechanical,

Primary reference: D. H. Dailey and W. P. Popenoe. 1966. Mollusca from the upper Cretaceous Jalama Formation, Santa Barbara County, California. University of California Publications in Geological Sciences 65:1-41 [J. Alroy/M. Sommers/A. Clement]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 1522: authorized by John Alroy, entered by Mike Sommers on 13.05.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• Abundances: R (rare) = 1-2 specs., U (uncommon) = 3-10 specs., C (common) = 11-25 specs., A (abundant) = 26+ specs.
Show authors, comments, and common names
Bivalvia
 Cardiida - Tellinidae
Palaeomoera dyskritos n. sp.
Palaeomoera dyskritos n. sp. Dailey and Popenoe 1966 tellin clam
 Cardiida - Veneridae
"Calva varians" = Calva (Calva) varians, Legumen ooides
"Calva varians" = Calva (Calva) varians Gabb 1864 venus clam
Legumen ooides Gabb 1864 venus clam
 Cardiida - Corbiculidae
Corbicula astartoides
Corbicula astartoides Dailey and Popenoe 1966 clam
 Pholadida - Corbulidae
"Corbula pozo" = Panzacorbula pozo
"Corbula pozo" = Panzacorbula pozo Dailey and Popenoe 1966 clam
 Pectinida - Anomiidae
Anomia jalama
Anomia jalama Dailey and Popenoe 1966 jingle
Gastropoda
 Cerithioidea - Potamididae
? Terebralia juliana
? Terebralia juliana Dailey and Popenoe 1966 horn snail
originally entered as "? Terebralia juliana"
 Sorbeoconcha - Naticidae
Euspira sp.
Euspira sp. Agassiz 1837 moon snail
 Neogastropoda - Fasciolariidae
? Piestochilus sp.
? Piestochilus sp. Meek 1864 snail
originally entered as "? Piestochilus sp."
 Architaenioglossa - Ampullinidae
Ampullina concipio
Ampullina concipio Dailey and Popenoe 1966 snail
 Neritoidea - Neritidae
Nerita sp.
Nerita sp. Linnaeus 1758 snail