List of the prehistoric life of New Jersey

This list of the prehistoric life of New Jersey contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of New Jersey.

The Paleobiology Database records no known occurrences of Precambrian fossils in New Jersey.

Fossil of the Late Ordovician-Permian tabulate coral Favosites
Shell and skeleton of Adocus beatus , Peabody Museum of Natural History
Fossil (right) of the Early Jurassic dinosaur footprint ichnogenus Anomoepus
Amber-entombed specimen of the Late Cretaceous ant Brownimecia
Life restoration of the face of the Late Cretaceous multituberculate mammal Cimolomys
Restoration of the Late Cretaceous shark Cretoxyrhina , or the Ginsu shark
Mounted fossilized skeleton of the Late Cretaceous Alligator relative Deinosuchus
Life restoration of the Late Cretaceous primitive tyrannosaur Dryptosaurus
Interior of a fossilized shell of the Jurassic-Cretaceous foam oyster Exogyra
Life restoration of the Late Cretaceous dinosaur Hadrosaurus
Life restoration of the Late Triassic primitive reptile Hypsognathus
Fossilized skull of the Late Cretaceous alligator relative Leidyosuchus
A living Lunatia moon sea snail
Life restoration of the Late Cretaceous Mosasaurus
Fossilized shell of the Late Cretaceous ammonoid cephalopod Pachydiscus
Fossilized shell of the Early Triassic-Pliocene marine bivalve Pholadomya
Life restoration of the Late Cretaceous mosasaur Prognathodon
Fossilized skeleton of the Late Triassic phytosaur Rutiodon
Amber-entombed specimen of the Late Cretaceous ant Sphecomyrma
Fossilized skull of the Late Cretaceous-Paleocene gavial relative Thoracosaurus
Life restoration of the Cretaceous bony fish Xiphactinus
Fossilized teeth of the Permian-Paleocene cartilaginous fish Acrodus
A living Argopecten irradians (formerly Aequipecten irradians ), or Atlantic bay scallop
Fossilized skeleton of the Pleistocene-Holocene bovid Bootherium bombifrons , or Harlan's musk ox.
A living Carcharias sand tiger shark
Fossilized skeleton of the Pliocene-Pleistocene cervid Cervalces , or the stag moose
Fossilized shell of a Conus cone snail
A living Crocodylus
Restoration of the Oligocene-Miocene hornless rhinoceros Diceratherium . Robert Bruce Horsfall (1913).
Fossilized cranium in multiple views of the Paleocene-Eocene gavial relative Eosuchus
A living Galeocerdo cuvier , or tiger shark
Fossilized teeth of the Miocene weasel shark Hemipristis serra
Fossilized skeleton of the Middle Jurassic-Miocene Chimaera relative Ischyodus
Illustration of a living Libinia emarginata , or portly spider crab
Mounted fossilized skeleton of the Miocene-Pleistocene ground sloth Megalonyx
Two living Myliobatis eagle rays
Exterior of the shell of a modern specimen of the Early Ordovician-modern marine bivalve Nucula
At the top of the picture is a line representing twenty meters. Below this is a gray megalodon silhouette that measures twenty meters, below is a red megalodon silhouette that measures fifteen meters, below is a violet whale shark silhouette that measures ten meters, below is a green great white shark that measures five meters. Standing next to this shark is a black human silhouette that stands two meters.
Diagram illustrating the largest (grey) and most conservative (red) size estimates of the Miocene-Pliocene shark Carcharocles megalodon (sometimes Carcharodon or Otodus megalodon ) with a whale shark (violet), great white shark (green), and anachronistic human (black) to scale
Life restoration of the Middle Triassic-Eocene crinoid ("sea lily") Pentacrinites
Fossilized shell of a Pleurotomaria slit snail
Fossilized skull of the Eocene sea turtle Puppigerus . The shell belongs to another kind of turtle.
Group of living Scyliorhinus catsharks
Life restoration of the Oligocene-Miocene shark-toothed dolphin Squalodon
Fossilized skeleton of the Oligocene-Miocene gavial relative Thecachampsa
A living Xiphias , or swordfish