Branch Canyon (Miocene of the United States)

Also known as USGS M1029

Where: Santa Barbara County, California (34.9° N, 119.7° W: paleocoordinates 34.1° N, 115.0° W)

• coordinate estimated from map

When: Branch Canyon Formation, Barstovian (16.3 - 12.5 Ma)

• late Miocene

Environment/lithology: marine

Reposited in the USGS

Primary reference: E. D. Mitchell and C. A. Repenning. 1963. The chronologic and geolographic range of desmostylians. Contributions in Science 78:1-20 [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 59074: authorized by Mark Uhen, entered by Mark Uhen on 09.03.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Echinoidea
 Clypeasteroida - Echinarachniidae
"Astrodapsis cuyamanus" = Astrodapsis whitneyi
"Astrodapsis cuyamanus" = Astrodapsis whitneyi Rémond 1863 sand dollar
Mammalia
 Perissodactyla - Desmostylidae
Desmostylus hesperus
Desmostylus hesperus Marsh 1888 desmostylian
Gastropoda
 Trochoidea - Turbinidae
"Astraea cf. raymondi" = Astraea (Pomaulax) biangulata
"Astraea cf. raymondi" = Astraea (Pomaulax) biangulata Gabb 1866 snail
 Cerithioidea - Turritellidae
Turritella carrisaensis
Turritella carrisaensis Anderson and Martin 1914 turret shell
 Neogastropoda - Muricidae
"Trophon" gillulyi
"Trophon" gillulyi murex snail
 Neogastropoda - Thaisidae
""Trophon" cf. carisaensis" = Chorus carisaensis, "Agasoma sinuata" = Koilopleura sinuata
""Trophon" cf. carisaensis" = Chorus carisaensis Anderson 1905 snail
"Agasoma sinuata" = Koilopleura sinuata Gabb 1866 snail
Bivalvia
 Pectinida - Pectinoidae
"Lyropecten estrellanus" = Nodipecten estrellanus, "Aequipecten cf. pabloensis" = Pacipecten pabloensis, Lyropecten crassicardo
"Lyropecten estrellanus" = Nodipecten estrellanus Conrad 1856 scallop
"Aequipecten cf. pabloensis" = Pacipecten pabloensis Conrad 1857 scallop
Lyropecten crassicardo Conrad 1856 scallop