Jewett Sand Formation
# 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.

## Vertebrates

### Cartilaginous fishes

**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.

## Invertebrates

### 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.
