SDSNH 2823, east side of Point Loma (Cretaceous of the United States)

Also known as SDSU loc. 3050

Where: San Diego County, California (32.7° N, 117.2° W: paleocoordinates 38.2° N, 93.5° W)

When: Cabrillo Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• lower Maestrichtian Cabrillo Formation

Environment/lithology: marine; coarse-grained, pebbly siltstone and conglomeratic sandstone

• Most fossils collected for this study com from moderately rounded, pebbly, coarse siltstone clasts ranging from 0.5 - 4m in diameter...

Size class: macrofossils

Collected by M. K. Dawson

Primary reference: M. K. Dawson. 1978. The Paleontology of the Cabrillo Formation. [J. Marcot/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 224893: authorized by Jonathan Marcot, entered by Jonathan Marcot on 09.04.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Terebratulida - Kraussinidae
Megerlia dubitanda
Megerlia dubitanda Cooper 1894
as "Creterhynchia ? dubitanda"
Bivalvia
 Carditida - Astartidae
"Opis cf. triangulata" = Opis (Hesperopis) triangulata
"Opis cf. triangulata" = Opis (Hesperopis) triangulata Cooper 1894 clam
 Carditida - Crassatellidae
Crassatella lomana
Crassatella lomana Cooper 1894 clam
 Lucinida - Lucinidae
Fimbria "n. sp."
Fimbria "n. sp." Mühlfeldt 1811 clam
 Cardiida - Gastrochaenidae
Gastrochaena "n. sp."
Gastrochaena "n. sp." Spengler 1783 clam
 Cardiida - Cardiidae
Protocardia sp.
Protocardia sp. Beyrich 1845 cockle
 Cardiida - Corbiculidae
Corbicula astartoides
Corbicula astartoides Dailey and Popenoe 1966 clam
 Cardiida - Veneridae
Loxo decore, Callista (Microcallista) "n. sp.", "Calva peninsularis" = Calva (Calva) peninsularis
Loxo decore Dailey and Popenoe 1966 venus clam
Callista (Microcallista) "n. sp." Stewart 1930 venus clam
"Calva peninsularis" = Calva (Calva) peninsularis Anderson and Hanna 1935 venus clam
 Cardiida - Arcticidae
Etea "n. sp."
Etea "n. sp." Conrad 1873 clam
 Hippuritida - Plagioptychidae
Coralliochama orcutti
Coralliochama orcutti White 1885 rudist
 Pholadida - Pholadidae
Opertochasma "n. sp."
Opertochasma "n. sp." Stephenson 1953 clam
 Arcida - Glycymerididae
Glycymeris "n. sp."
Glycymeris "n. sp." Da Costa 1778 clam
 Arcida - Parallelodontidae
Nemodon "n. sp."
Nemodon "n. sp." Conrad 1869 clam
 Arcida - Arcidae
Striarca "n. sp."
Striarca "n. sp." Conrad 1862 clam
 Arcida - Limopsidae
Limopsis "n. sp."
Limopsis "n. sp." Sassi 1827 clam
 Pectinida - Anomiidae
Anomia "n. sp."
Anomia "n. sp." Linnaeus 1758 jingle
 Pectinida - Limidae
Lima (Lima) "n. sp."
Lima (Lima) "n. sp." Bruguiére 1796 file clam
 Pectinida - Pectinoidae
"Spondylus striatus" = Spondylus subnodosus, Camptonectes "n. sp.", Eburneopecten "n. sp."
"Spondylus striatus" = Spondylus subnodosus Packard 1922 scallop
Camptonectes "n. sp." Meek 1864 scallop
Eburneopecten "n. sp." Conrad 1865 scallop
 Ostreida - Ostreidae
Ostrea sp.
Ostrea sp. Linnaeus 1758 oyster
 Myalinida - Inoceramidae
Inoceramus pacificus
Inoceramus pacificus Anderson and Hanna 1935 clam
 Mytilida - Mytilidae
Mytilus "n. sp. B", Mytilus "n. sp. A"
Mytilus "n. sp. B" Linnaeus 1758 mussel
Mytilus "n. sp. A" Linnaeus 1758 mussel
 Nuculida - Nuculidae
"Acila cf. demessa" = Acila (Truncacila) demessa
"Acila cf. demessa" = Acila (Truncacila) demessa Finlay 1927 divaricate nutclam
Cephalopoda
 Ammonitida - Baculitidae
Baculites lomaensis, Baculites rex
Baculites lomaensis Anderson 1958 ammonite
Baculites rex Anderson 1958 ammonite
 Ammonitida - Nostoceratidae
Nostoceras sp.
Nostoceras sp. Hyatt 1894 ammonite
Gastropoda
 Lepetellida - Haliotidae
Haliotis sp.
Haliotis sp. Linnaeus 1758 abalone
 Trochoidea - Turbinidae
Margarites sp.
Margarites sp. Gray 1847 snail
 Seguenzioidea - Eucyclidae
Calliomphalus sp.
Calliomphalus sp. Cossmann 1888 snail
 Euomphalina - Euomphalidae
? Condonella sp.
? Condonella sp. McLellan 1927 snail
 Patellogastropoda - Patellidae
Patella "n. sp. A", Patella "n. sp. B"
Patella "n. sp. A" Linnaeus 1758 limpet
Patella "n. sp. B" Linnaeus 1758 limpet
 Cerithioidea - Turritellidae
Turritella cf. chaneyi
Turritella cf. chaneyi Merriam 1941 turret shell
 Neogastropoda - Fasciolariidae
? Hercorhyncus sp.
? Hercorhyncus sp. Conrad 1868 snail
 Neogastropoda - Buccinidae
? Eripachya sp.
? Eripachya sp. Gabb 1869 true whelk
 Neogastropoda - Perissityidae
"Cophocara "n. sp."" = Perissitys
"Cophocara "n. sp."" = Perissitys Stewart 1927 snail
 Sorbeoconcha - Aporrhaidae
? Anchura sp.
? Anchura sp. Conrad 1860 snail
 Sorbeoconcha - Naticidae
"Euspira shumardiana" = Polinices shumardianus, Gyrodes expansa
"Euspira shumardiana" = Polinices shumardianus Gabb 1864 moon snail
Gyrodes expansa Gabb 1864 moon snail
 Sorbeoconcha - Capulidae
"Lysis californiensis" = Lysis suciensis, "Lysis intermedia" = Garzasia intermedia
"Lysis californiensis" = Lysis suciensis Whiteaves 1879 snail
"Lysis intermedia" = Garzasia intermedia Cooper 1894 snail
 Architaenioglossa - Ampullinidae
Ampullina sp.
Ampullina sp. Férussac 1822 snail
Anthozoa
 Scleractinia - Caryophylliidae
Trochocyathus (Platycyathus) "n. sp."
Trochocyathus (Platycyathus) "n. sp." Fromentel 1863 stony coral