San Diego Formation ("Lower") (Pliocene of the United States)

Where: San Diego County, California (32.9° N, 117.1° W: paleocoordinates 32.7° N, 116.1° W)

• coordinate based on political unit

When: San Diego Formation, Piacenzian (3.6 - 2.6 Ma)

• Blancan

• group of beds-level stratigraphic resolution

Environment/lithology: foreshore; lithology not reported

Size class: macrofossils

Preservation: original phosphate

Primary reference: T. A. Deméré. 1994. Two new species of fossil walruses (Pinnipedia: Odobenidae) from the Upper Pliocene San Diego Formation, California. Proceedings of the San Diego Society of Natural History 29:77-98 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 19703: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

• section is about 50 mDomning and Demere 1984 claim that the "upper" unit has yielded no mammals and list of Demere 1994 omits record of Scapanus from the "upper" unit of Hutchison 1987a; therefore, I presume this list pertains to the lower unitearlier list of Domning and Demere 1984 is much shorter and fully duplicated here
 Charadriiformes - Panalcidae
Synthliboramphus rineyi n. sp.4 Chandler 1990 auk
Mancalla vergrandis n. sp.6 Smith 2011 auk
locality SDSNH 4273: also 3468x2, 3161, 2643
Mancalla lucasi6 Smith 2011 auk
locality SDSNH 3506
"Ptychoramphus tenuis" = Ptychoramphus aleuticus5 Pallas 1811 Cassin's auklet
Cerorhinca sp.4 Bonaparte 1828 auk
Cerorhinca reai n. sp.4 Chandler 1990 auk
Brachyramphus dunkeli n. sp.4 Chandler 1990 auk
 Gaviiformes - Gaviidae
Gavia concinna3 Wetmore 1940 loon
 Podicipediformes - Podicipedidae
"Colymbus parvus" = Podiceps parvus5
"Colymbus parvus" = Podiceps parvus5 Schufeldt 1913 grebe
 Procellariiformes - Procellariidae
Puffinus kanakoffi5 Howard 1949 shearwater
 Suliformes - Phalacrocoracidae
Phalacrocorax kennelli5 Howard 1949 cormorant
 Suliformes - Sulidae
"Sula humeralis n. sp." = Morus humeralis5
"Sula humeralis n. sp." = Morus humeralis5 Miller and Bowman 1958 gannet
 Sirenia - Dugongidae
Hydrodamalis cuestae Domning 1978 Cuesta sea cow
 Rodentia - Cricetidae
Neotoma sp. Say and Ord 1825 pack rat
 Rodentia - Heteromyidae
Heteromyidae indet. Gray 1868 rodent
 Lagomorpha - Leporidae
Leporidae indet. Fischer de Waldheim 1817 rabbit
 Perissodactyla - Tapiridae
Tapirus sp. Brisson 1762 tapir
 Perissodactyla - Equidae
Equus sp. Linnaeus 1758 horse
 Carnivora - Mephitidae
Spilogale sp. Gray 1865 skunk
 Carnivora - Otariidae
Callorhinus gilmorei n. sp.2 Berta and Deméré 1986 fur seal
 Carnivora - Canidae
Caninae indet. Gill 1872 canine
 Carnivora - Felidae
"Lynx cf. rexroadensis" = Felis rexroadensis1
"Lynx cf. rexroadensis" = Felis rexroadensis1 Stephens 1959 cat
 Xenarthra - Megalonychidae
Megalonyx sp. Harlan 1825 edentate
 Proboscidea - Gomphotheriidae
Stegomastodon sp. Pohlig 1912 gomphothere
listed as "S. cf. rexroadensis" by Domning and Demere 1984
 Ungulata - Tayassuidae
Platygonus sp. Leconte 1848 peccary
 Ungulata - Camelidae
Titanotylopus sp. Barbour and Schultz 1934 camel
presumably OK
cf. Hemiauchenia sp. Gervais and Ameghino 1880 camel
 Ungulata - Cervidae
Cervidae indet. Gray 1821 deer
 Cetacea - Balaenopteridae
Balaenopteridae indet. Gray 1864 rorqual
sp. 1, 2, 3, 4
Balaenoptera davidsonii Cope 1872 rorqual
 Cetacea - Balaenidae
Balaenidae indet. Gray 1821 right whale
sp. 1, sp. 2
 Cetacea - Cetotheriidae
Herpetocetus sp. Van Beneden 1872 whale
sp. 1
 Cetacea - Delphinidae
Delphinidae indet. Gray 1821 dolphin
sp. 1, 2
 Cetacea - Phocoenidae
Phocoenidae indet. Gray 1825 porpoise
sp. 1, 2
 Cetacea - Lipotidae
Parapontoporia sternbergi Gregory and Kellogg 1927 toothed whale