USGS Mesozoic M8599, Bolsa Point (Cretaceous of the United States)

Also known as 89-E-42

Where: San Mateo County, California (37.2° N, 122.4° W: paleocoordinates 43.5° N, 92.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Pigeon Point Formation, Middle Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified sandstone

• Presence of hummocky cross-stratification suggests offshore-transition/lower shoreface environment

Size class: macrofossils

Preservation: mold/impression

Collected by W.P. Elder in 1989; reposited in the USNM

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 144763: authorized by Matthew Clapham, entered by Matthew Clapham on 17.05.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Heteroderma sp.
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp.
Dentalium sp. Linnaeus 1758 tusk shell
Cephalopoda
 Ammonitida - Baculitidae
Baculites sp.
Baculites sp. Lamarck 1799 ammonite
Gastropoda
 Cerithioidea - Cerithiidae
? Cerithium cf. totiumsanctorum
? Cerithium cf. totiumsanctorum White 1885 cerith snail
 Cerithioidea - Turritellidae
"Turritella ? pescaderoensis" = Turritella chicoensis pescaderoensis
"Turritella ? pescaderoensis" = Turritella chicoensis pescaderoensis Arnold 1908 turret shell
 Sorbeoconcha - Naticidae
Euspira sp., Polinices sp.
Euspira sp. Agassiz 1837 moon snail
Polinices sp. Monfort 1810 moon snail
 Neogastropoda - Cancellariidae
? Cancellaria sp.
? Cancellaria sp. Lamarck 1799 snail
 Neogastropoda - Perissityidae
Perissitys cf. pacifica
Perissitys cf. pacifica Popenoe and Saul 1987 snail
 Neogastropoda - Fasciolariidae
? Drilluta sp.
? Drilluta sp. Wade 1916 snail
 Neogastropoda - Volutidae
"Volutoderma averilli" = Volutoderma averillii
"Volutoderma averilli" = Volutoderma averillii Gabb 1864 volute
 Sorbeoconcha - Aporrhaidae
"Lispodesthes rotundus" = Lispodesthes rotundatus
"Lispodesthes rotundus" = Lispodesthes rotundatus Waring 1917 snail
 Heterostropha - Acteonidae
Acteonidae "indet. A", Acteonidae "indet. B", "Nonacteonina cf. tensa" = Nonactaeonina, Nonacteonina obesa
Acteonidae "indet. A" d'Orbigny 1835 snail
Acteonidae "indet. B" d'Orbigny 1835 snail
"Nonacteonina cf. tensa" = Nonactaeonina snail
Nonacteonina obesa Dailey and Popenoe 1966 snail
 Heterostropha - Ringiculidae
Biplica obliqua
Biplica obliqua Gabb 1864 snail
 Opisthobranchia - Retusidae
"Cylichnina sp." = Retusa (Cylichnina)
"Cylichnina sp." = Retusa (Cylichnina) Monterasato 1884 snail
Bivalvia
 Nuculanida - Nuculanidae
"Nuculana (? Jupiteria) sp." = Jupiteria
"Nuculana (? Jupiteria) sp." = Jupiteria Bellardi 1875 pointed nut clam
 Nuculida - Nuculidae
Acila (Truncacila) demessa
Acila (Truncacila) demessa Finlay 1927 divaricate nutclam
 Pholadida - Corbulidae
Corbula cf. torta
 Cardiida - Veneridae
"Calva bowersiana" = Calva (Egelicalva) bowersiana, Legumen ooides
"Calva bowersiana" = Calva (Egelicalva) bowersiana Cooper 1894 venus clam
Legumen ooides Gabb 1864 venus clam
 Cardiida - Mactridae
Cymbophora triangula, Cymbophora stantoni
Cymbophora stantoni Arnold 1908 clam
 Cardiida - Tellinidae
? Quadrans (? Phyllodina) sp., Tellina (Tellinella) "n. sp."
? Quadrans (? Phyllodina) sp. Bertin 1878 tellin clam
Tellina (Tellinella) "n. sp." Mörch 1853 tellin clam
 Cardiida - Tancrediidae
Meekia (Mygallia) ? daileyi, Meekia (Mygallia) bella
Meekia (Mygallia) ? daileyi Saul and Popenoe 1962 clam
Meekia (Mygallia) bella Saul and Popenoe 1962 clam
 Trigoniida - Megatrigonioidae
Pterotrigonia evansana
Pterotrigonia evansana Meek 1864 clam
 Trigoniida - Steinmanellidae
"Yaadia hemphilli" = Popenoella hemphilli
"Yaadia hemphilli" = Popenoella hemphilli Anderson 1958 clam
 Mytilida - Mytilidae
Modiolus sp.
Modiolus sp. Lamarck 1801 mussel
 Myalinida - Inoceramidae
Inoceramidae indet.
Inoceramidae indet. Giebel 1852 clam
 Pectinida - Limidae
? Lima sp.
? Lima sp. Bruguière 1797 file clam
 Pectinida - Anomiidae
Anomia sp.
Anomia sp. Linnaeus 1758 jingle
 Ostreida - Malleidae
Isognomon sp.
Isognomon sp. Lightfoot 1786 oyster
 Arcida - Arcidae
Trinacria aff. cor
Trinacria aff. cor Popenoe 1937 clam
 Arcida - Glycymerididae
Glycymeris (Glycymerita) anae
Crustacea
  -
Crustacea indet.
Crustacea indet. Brünnich 1772