List of the Cenozoic life of Alaska

This list of the Cenozoic life of Alaska contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Alaska and are between 66 million and 10,000 years of age.

Shell of an Acanthocardia cockle
A living Alces , or moose
Life restoration of the Oligocene river dolphin Arktocara
Fossilized shell of the Paleocene-Miocene nautiloid cephalopod Aturia
Shell (left, internal view) and calcified basis (right) of a modern Balanus crenatus acorn barnacle
Mummified specimen found in Alaska of the Pleistocene-Holocene Bison priscus , or steppe bison. This specimen, known as "Blue Babe" after the blue ox of Paul Bunyan folklore, derives its unusual coloration from a chemical reaction between the phosphorus in its skin and iron in the surrounding soil to produce a coating of vivianite .
Fossil of the Eocene crab Branchioplax
A living Canis lupus , or gray wolf
Fossilized skeleton of the Pliocene-Pleistocene cervid Cervalces , or the stag moose
A modern shell of Chlamys islandica , or Iceland scallop
Shell of a Clinocardium cockle
A living Corylus , or hazel
Fossilized cranium of the Miocene seal Desmatophoca
Seafloor covered in living Echinarachnius sand dollars
A living Enhydra lutris , or sea otter
A living Eschrichtius robustus , or gray whale
Fossilized foliage of the Cretaceous-Oligocene flowering plant Flabellaria
A living Globigerina bulloides foraminiferan
Side view of a brown-green dugong. It is similar to a manatee, in that the head is pointed downwards, the eyes are small, and the body is stocky. The arms are perpendicular to the body and bend backwards toward the tail. There are no fingernails. The tail is knotched, much like a dolphin tail.
Restorative model of the Pleistocene-Holocene manatee relative Hydrodamalis gigas , or Steller's sea cow
A modern Isurus , or mako shark
A living Lemmus sibiricus , or Siberian brown lemming
A living Lunatia moon sea snail
Interior and exterior of a shell of a Macoma tellin
Restoration of a herd of Mammuthus primigenius , or wooly mammoths
Fruit of a living Myrica , or firetree
A living Nebria ground beetle
Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula
A living Odobenus rosmarus , or walrus
Living Osmunda ferns
A living Ovibos moschatus , or muskox
A living Pagophilus groenlandicus , or harp seal
A living Phoca vitulina , or harbor seal
Shell of a Pitar venus clam
Two living Pododesmus macrochisma or Alaska jingles
Montage of photographs in spring (top left), summer (top right), autumn (bottom left), and winter (bottom right) of Populus , or poplar tree
A living Pusa earless seal
A living Quercus , or oak tree
A living Rangifer tarandus , or reindeer
Illustration of two Saiga tatarica antelopes
Shell of the whelk sea snail Siphonalia
Branch with fruit of a Symphoricarpos , or snowberry shrub
Living Taxodium distichum , or bald cypresses
A living Tonicella , or lined chiton
A living Tsuga heterophylla , or western hemlock
A living Ulmus , or elm
A variety of modern Vaccinium species, clockwise from top right: cranberries, lingonberries, blueberries, and huckleberries
A living Vulpes vulpes , or red fox
A living Xysticus crab spider