Skooner Gulch I (Miocene of the United States)

Also known as UCMP V75135, USGS M-1114

Where: Mendocino County, California (38.9° N, 123.7° W: paleocoordinates 34.5° N, 112.8° W)

• coordinate estimated from map

When: Skooner Gulch Formation, Aquitanian (23.0 - 20.4 Ma)

• Miocene part of the Arikareean NALMA, possibly latest Oligocene

Environment/lithology: marine; coarse-grained sandstone

• massive, coarse to fine grained sandstone

Size class: macrofossils

Preservation: original phosphate

Collection methods: surface (in situ),

Primary reference: J. M. Clark. 1991. A new early Miocene species of Paleoparadoxia (Mammalia: Desmostylia) from California. Journal of Vertebrate Paleontology 11(4):490-508 [M. Uhen/M. Uhen/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 58899: authorized by Mark Uhen, entered by Mark Uhen on 28.02.2006, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Desmostylidae
Desmostylus sp.1 Marsh 1888 desmostylian
USNM PAL 706595
Desmostylus hesperus2 Marsh 1888 desmostylian
 Perissodactyla - Paleoparadoxiidae
"Paleoparadoxia weltoni n. sp." = Archaeoparadoxia weltoni
"Paleoparadoxia weltoni n. sp." = Archaeoparadoxia weltoni Clark 1991 desmostylian
 Carnivora -
Enaliarctos mealsi3 Mitchell and Tedford 1973 pinniped
Chondrichthyes
 Lamniformes - Megachasmidae
Megachasma applegatei4 Shimada et al. 2014 mackerel shark
Gastropoda
 Cerithioidea - Turritellidae
Turritella inezana1 Conrad 1857 turret shell
forma hoffmanni
Bivalvia
 Lucinida - Lucinidae
Lucinoma sp.1 Dall 1901 clam
 Pectinida - Pectinoidae
Chlamys cf. hertleini1 Loel and Corey 1932 scallop