Loretta Street (Pliocene of the United States)

Also known as UCMP V68144, V68145

Where: San Diego County, California (33.2° N, 117.4° W: paleocoordinates 33.0° N, 116.4° W)

• coordinate estimated from map

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

• Middle Pliocene

Environment/lithology: estuary or bay; gray, sandy siltstone

• estuarine to fluvial
• light gray sandy silts with some iron-cemented horizontal stringers

Size class: macrofossils

Preservation: original phosphate

Reposited in the UCMP

Primary reference: D. P. Domning. 1978. Sirenian evolution in the North Pacific Ocean. University of California Publications in Geological Sciences 118:1-176 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52218: authorized by Mark Uhen, entered by Mark Uhen on 01.08.2005, edited by John Alroy

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Odontaspidida - Carcharodontidae
"Isurus cf. hastalis" = Cosmopolitodus hastalis
"Isurus cf. hastalis" = Cosmopolitodus hastalis Agassiz 1843 elasmobranch
 Myliobatiformes - Myliobatidae
Myliobatis sp. Cuvier 1816 eagle ray
 Lamniformes - Lamnidae
"Isurus cf. oxyrhynchus" = Isurus oxyrinchus, Carcharodon sp.
"Isurus cf. oxyrhynchus" = Isurus oxyrinchus Rafinesque 1810 mako shark
Carcharodon sp. Smith 1838 white shark
Actinopteri
 Salmoniformes -
Smilodonichthys sp. Cavender and Miller 1972 saber toothed salmon
 Perciformes - Serranidae
Serranidae indet. Swainson 1839 perch-like fish
 Acanthomorphata - Sciaenidae
Sciaenidae indet. Cuvier 1828
Aves
  -
Aves indet. Linnaeus 1758 bird
 Gaviiformes - Gaviidae
Gavia sp.2 Forster 1788 loon
Mammalia
 Sirenia - Dugongidae
Hydrodamalis cuestae Domning 1978 Cuesta sea cow
 Perissodactyla - Equidae
Equini indet.1 Quinn 1955 horse
 Carnivora - Otariidae
Arctocephalus sp. Cuvier 1826 fur seal
 Ungulata - Camelidae
Camelidae indet. Gray 1821 camel
 Cetacea - Balaenopteridae
Balaenopteridae indet. Gray 1864 rorqual
 Cetacea - Cetotheriidae
aff. Herpetocetus sp. Van Beneden 1872 whale
 Cetacea -
Delphinoidea indet. Flower 1865 toothed whale
 Cetacea - Delphinidae
Stenella sp. Gray 1866 dolphin
 Cetacea - Phocoenidae
"Phocaenidae indet." = Phocoenidae
"Phocaenidae indet." = Phocoenidae Gray 1825 porpoise