UCLA loc. 4340, Pentz (Cretaceous of the United States)

Also known as LACMIP loc. 24340

Where: Butte County, California (39.7° N, 121.6° W: paleocoordinates 47.0° N, 90.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Chico Formation, Early/Lower Campanian (83.5 - 70.6 Ma)

• Pentz Road member (informal)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by W. P. Popenoe in 1960; reposited in the LACM

Collection methods: surface (in situ),

Primary reference: W. P. Elder and L. R. Saul. 1996. Taxonomy and biostratigraphy of Coniacian through Maastrichtian Anchura (Gastropoda; Aporrhaiidae) of the North American Pacific slope. Journal of Paleontology 70(3):381-399 [M. Patzkowsky/K. Layou/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 3890: authorized by Mark Patzkowsky, entered by Karen Layou on 11.08.1999, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Cardiida - Mactridae
Cymbophora stantoni2, Cymbophora buttensis2, Cymbophora bella2
Cymbophora stantoni2 Arnold 1908 clam
Cymbophora buttensis2 Anderson 1958 clam
Cymbophora bella2 Saul 1974 clam
 Cardiida - Tancrediidae
Meekia (Mygallia) bella n. sp.3
Meekia (Mygallia) bella n. sp.3 Saul and Popenoe 1962 clam
Gastropoda
 Cerithioidea - Melanopsidae
Boggsia tenuis5
Boggsia tenuis5 Gabb 1864 snail
as from LACMIP loc. 24340
 Sorbeoconcha - Capulidae
Lysis duplicosta4
Lysis duplicosta4 Gabb 1864 snail
 Sorbeoconcha - Naticidae
Gyrodes (Sohlella) canadensis1
Gyrodes (Sohlella) canadensis1 Whiteaves 1903 moon snail
 Sorbeoconcha - Aporrhaidae
Anchura callosa
Anchura callosa Whiteaves 1903 snail
 Neogastropoda - Buccinidae
Zaglenum pentzensis n. sp.6
Zaglenum pentzensis n. sp.6 Squires and Saul 2001 true whelk
 Neogastropoda - Melongenidae
Pentzia hilgardi8
Pentzia hilgardi8 White 1889 snail
 Epitonioidea - Epitoniidae
Amaea pentzia n. sp.7, Acirsa obtusa7
Amaea pentzia n. sp.7 Squires and Saul 2003 wentletrap
Acirsa obtusa7 White 1889 wentletrap
1Popenoe et al. 1987; 2Saul 1974; 3Saul and Popenoe 1962; 4Saul and Squires 2008; 5Squires and Saul 1997; 6Squires and Saul 2001; 7Squires and Saul 2003; 8Squires and Saul 2003