USGS Mesozoic M8599, Bolsa Point: Middle Campanian, California
collected by W.P. Elder 1989

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Heteroderma sp.
Elder and Miller 1989
Gastropoda - Turritellidae
Turritella ? pescaderoensis Arnold 1908
Elder and Miller 1989
recombined as Turritella chicoensis pescaderoensis
Gastropoda - Cerithiidae
? Cerithium cf. totiumsanctorum White 1885
Gastropoda - Neogastropoda - Volutidae
Volutoderma averilli (Gabb 1864)
Elder and Miller 1989
recombined as Volutoderma averillii
Gastropoda - Neogastropoda - Perissityidae
Perissitys cf. pacifica Popenoe and Saul 1987
Elder and Miller 1989
Gastropoda - Neogastropoda - Fasciolariidae
? Drilluta sp. Wade 1916
Elder and Miller 1989
Gastropoda - Neogastropoda - Cancellariidae
? Cancellaria sp. Lamarck 1799
Elder and Miller 1989
Gastropoda - Aporrhaidae
Lispodesthes rotundus (Waring 1917)
Elder and Miller 1989
recombined as Lispodesthes rotundatus
Gastropoda - Naticidae
Polinices sp. Monfort 1810
Elder and Miller 1989
Euspira sp. Agassiz 1837
Elder and Miller 1989
Gastropoda - Opisthobranchia - Retusidae
Cylichnina sp. Monterasato 1884
Elder and Miller 1989
spelled with current rank as Retusa (Cylichnina)
Gastropoda - Heterostropha - Ringiculidae
Biplica obliqua (Gabb 1864)
Elder and Miller 1989
Gastropoda - Heterostropha - Acteonidae
Acteonidae informal indet. A d'Orbigny 1835
Elder and Miller 1989
Acteonidae informal indet. B d'Orbigny 1835
Elder and Miller 1989
Nonacteonina cf. tensa
Elder and Miller 1989
original and current combination Nonactaeonina
Nonacteonina obesa Dailey and Popenoe 1966
Elder and Miller 1989
Bivalvia - Nuculida - Nuculidae
Acila (Truncacila) demessa (Finlay 1927)
Elder and Miller 1989
Bivalvia - Nuculanida - Nuculanidae
Nuculana (? Jupiteria) sp. (Bellardi 1875)
Elder and Miller 1989
original and current combination Jupiteria
Bivalvia - Trigoniida - Megatrigoniidae
Pterotrigonia evansana (Meek 1864)
Elder and Miller 1989
Bivalvia - Trigoniida - Steinmanellidae
Yaadia hemphilli (Anderson 1958)
Elder and Miller 1989
recombined as Popenoella hemphilli
Bivalvia - Pholadida - Corbulidae
Corbula cf. torta
Elder and Miller 1989
Bivalvia - Cardiida - Veneridae
Legumen ooides (Gabb 1864)
Elder and Miller 1989
Calva bowersiana (Cooper 1894)
Elder and Miller 1989
recombined as Calva (Egelicalva) bowersiana
Bivalvia - Cardiida - Mactridae
Cymbophora triangula
Elder and Miller 1989
Cymbophora stantoni (Arnold 1908)
Elder and Miller 1989
Bivalvia - Cardiida - Tellinidae
? Quadrans (? Phyllodina) sp. Bertin 1878
Elder and Miller 1989
Tellina (Tellinella) informal n. sp.
Bivalvia - Cardiida - Tancrediidae
Meekia (Mygallia) ? daileyi Saul and Popenoe 1962
Elder and Miller 1989
Meekia (Mygallia) bella Saul and Popenoe 1962
Elder and Miller 1989
Bivalvia - Mytilida - Mytilidae
Modiolus sp. (Lamarck 1801)
Elder and Miller 1989
Bivalvia - Arcida - Glycymerididae
Glycymeris (Glycymerita) anae Smith 1945
Bivalvia - Arcida - Arcidae
Trinacria aff. cor Popenoe 1937
Elder and Miller 1989
Bivalvia - Myalinida - Inoceramidae
Inoceramidae indet. Giebel 1852
Elder and Miller 1989
Bivalvia - Ostreida - Malleidae
Isognomon sp. Lightfoot 1786
Elder and Miller 1989
Bivalvia - Pectinida - Limidae
? Lima sp. Bruguière 1797
Elder and Miller 1989
Bivalvia - Pectinida - Anomiidae
Anomia sp. Linnaeus 1758
Elder and Miller 1989
Cephalopoda - Ammonitida - Baculitidae
Baculites sp. Lamarck 1799
Elder and Miller 1989
Scaphopoda - Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758
Elder and Miller 1989
unclassified
Crustacea indet. Brünnich 1772
Elder and Miller 1989
invalid subgroup of Pancrustacea
see common names

Geography
Country:United States State/province:California County:San Mateo
Coordinates: 37.2° North, 122.4° West (view map)
Paleocoordinates:43.5° North, 92.1° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
Key time interval:Middle Campanian
Age range of interval:83.60000 - 72.10000 m.y. ago
Stratigraphy
Formation:Pigeon Point
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: lithified sandstone
Environment:transition zone/lower shoreface
Geology comments: Presence of hummocky cross-stratification suggests offshore-transition/lower shoreface environment
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:W.P. Elder Collection dates:1989
Metadata
Also known as:89-E-42
Database number:144763
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2013-05-17 08:04:48 Last modified:2015-04-04 10:55:35
Access level:the public Released:2013-05-17 08:04:48
Creative Commons license:CC BY
Reference information

Primary reference:
46852. W. P. Elder and L. R. Saul. 1993. Paleogeographic implications of molluscan assemblages in the Upper Cretaceous (Campanian) Pigeon Point Formation, California. In G. Dunn, K. McDougall (eds.), Mesozoic Paleogeography of the Western United States - II. Pacific Section SEPM Book 71:171-186 [M. Clapham/M. Clapham/M. Clapham]

Secondary references:

54863 W. P. Elder and J. W. Miller. 1989. Checklist of Mesozoic macrofossil localities in the Santa Cruz Mountains and vicinity. United States Geological Survey Open-File Report 89-543:1-9 [M. Clapham/M. Clapham]