Jewett Sand Formation

The Jewett Sand Formation is a geologic formation in California, USA. It preserves fossils dating back to the Miocene Epoch of the Neogene period.

Sharks



 * †Alopias exigua
 * †Alopias latidens
 * Alopias vulpinus'
 * †Carcharocles angustidens '
 * †Carcharodon hastalis'
 * Carcharhinus sp.'
 * Cephaloscyllium sp.'
 * Cetorhinus sp.'
 * Echinorhinus blakei'
 * †Galeocerdo medius'
 * †Galeorhinus latus'
 * Heterodontus sp.
 * Hexanchus sp.
 * †Megachasma applegatei
 * †Megalolamna paradoxodon
 * †Negaprion elongata'
 * Odontaspis ferox'
 * †Parotodus benedini'
 * Sphyrna sp.'
 * †Squalus serriculus'
 * Squatina lerichi'

Rays and skates

 * †Zapteryx californicus'
 * Myliobatis californicus'

Bony Fishes

 * Bothidae indet.
 * Embiotocidae indet.
 * Gadidae indet.
 * Pleuronectidae indet.
 * Sciaenidae indet.
 * Scorpaenidae indet.

Reptiles

 * Chelonia indet.
 * Crocodylia indet.
 * †Psephophorus calvertensis

Birds

 * †Plotopterum joaquinensis

Mammals



 * †Allodesmus kernensis
 * †Allodelphis pratti
 * †Anchitherium sp.
 * †Argyrocetus joaquinensis
 * †Argyrocetus bakersfieldensis
 * †Desmathyus
 * †Enaliarctidae indet.
 * †Enaliarctos mealsi
 * †Macrodelphinus kelloggi
 * †Miodelphis californicus
 * Otariidae indet.
 * Phocidae indet.
 * Pinnipedia indet.
 * †Pinnarctidion bishopi
 * †Squalodontidae indet.

Bivalves



 * Aequipecten andersoni
 * Arca montareyanna
 * Chione temblorensis
 * Clementia pertenuis
 * Crassostrea titan
 * Crenomytilus mathewsoni
 * Cytheria matthewsoni
 * Dosinia conradi
 * Dosinia whitneyi
 * Glycymeris septentrionalis
 * Homomya sp.
 * Mactromeris albaria
 * Mytilus sp.
 * Nodipecten estrellanus
 * Pecten bowersi
 * Pecten magnolia
 * Pecten nevadaensis
 * Pecten perrini
 * Pecten sespeensis
 * Pectunculus branneri
 * Phacoides actulineatus
 * Pinna alamedaensis
 * Pycnodonte eldridgei
 * Solen sp.
 * Tellina ocoyana
 * Tellina sp.
 * Trachycardium vaquerosensis

Gastropods



 * Agasoma gravidum
 * Agasoma kerrianum
 * Conus oweni
 * Crepidula princeps
 * Epitonium rugiferum
 * Natica lewisi
 * Neverita callosa
 * Purpura lima

Scaphopods

 * Dentalium sp.