Saint-Medard-en-Jalle (Miocene of France)

Where: France (45.4° N, 0.4° W: paleocoordinates 45.5° N, 2.0° W)

• coordinate estimated from map

When: Molasse of Saint M├ędard-en-Jalle Formation, Burdigalian (20.4 - 16.0 Ma)

• Kellogg 1936 states that Phococetus vasconum is Burdigalian; McKenna and Bell 1997 state that it is Rupelian; Richard (1947) states that the age of this deposit is Stampien inferieur; Kellogg 1922 states that the Otariids from this locality are Rupelian; Boessenecker 2018 states it is Burdigalian

• formation-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, calcareous sandstone

• soft, calcareous sandstone

Size class: macrofossils

Primary reference: P. Gervais. 1876. Remarques au sujet du genre Phocodon d'Agasiz. Journal e Zoologie 5:64-70 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52061: authorized by Mark Uhen, entered by Mark Uhen on 18.07.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Thecosomata - Cavoliniidae
Vaginella depressa1 Daudin 1800 snail
 Carnivora - Otariidae
Otaria oudriana n. sp.5 Delfortrie 1872 eared seal
 Cetacea -
 Odontoceti - Squalodontidae
Squalodon sp.5 Grateloup 1840 toothed whale
 Odontoceti - Squalodelphinidae
"Delphinus tetragorhinus n. sp." = Medocinia tetragorhina3
"Delphinus tetragorhinus n. sp." = Medocinia tetragorhina3 Delfortrie 1875 toothed whale
 Odontoceti -
"Zeuglodon vasconum n. sp." = Phococetus vasconum2
"Zeuglodon vasconum n. sp." = Phococetus vasconum2 Delfortrie 1873 toothed whale