User:WolfmanSF/List of North American megafauna

Megafauna are large animals (for definitions, see Megafauna). This list includes extant and recently extinct (in the Pleistocene) native North American species with a body mass of 40 kg or greater, the minimal mass to be considered megafaunal. Other definitions of megafaunal place use a higher threshold mass, up to 250 kg. Some species listed here do not qualify as megafaunal if a higher threshold is used.

Class Mammalia

• American Bison (Bison bison)
• American Black Bear (Ursus americanus)
• American Cheetah † (Miracinonyx trumani)
• American Horse † (Equus scotti)
• American Lion † (Panthera leo atrox)
• American Mastodon † (Mammut americanum)
• American Mountain Deer † (Navahoceros fricki)
• American Scimitar Cat † (Homotherium serum)
• American Zebra † (Equus simplicidens)
• Ancient Caribou † (Torontoceros hypocaetus)
• Ancient Bison † (Bison antiquus)
• Ancient Moose † (Bretzia nebrascensis)
• Big-headed Llama † (Hemiauchenia macrocephala)
• Bighorn sheep (Ovis canadensis)
• California tapir † (Tapirus californicus)
• Caribou (Rangifer tarandus)
• Columbian Mammoth † (Mammuthus columbi)
• Cougar (Puma concolor)
• Dall's sheep (Ovis dalli)
• Dire Wolf † (Canis dirus)
• Eastern Wolf (Canis lupus lycaon)
• Elk (Cervus canadensis)
• Flat-horned ox † (Platycerabos dodsoni)
• Florida Cave Bear † (Tremarctos floridanus)
• Florida Saber-Toothed Cat † (Xenosmilus hodsonae)
• Florida tapir † (Tapirus veroensis)
• Flat-headed Peccary † (Platygonus sp.)
• Giant Beaver † (Castoroides ohioensis)
• Giant Horse † (Equus giganteus)
• Gidley's Glyptodont † (Glyptotherium arizonae)
• Gray Fox (Urocyon cinereoargenteus)
• Gray Wolf (Canis lupus)
• Grizzly bear (brown bear) (Ursus arctos horribilis)
• Harlan's Ground Sloth † (Paramylodon harlani)
• Harlan's muskox † (Bootherium bombifrons)
• Harrington's Mountain Goat † (Oreamnos harringtoni)
• Human being (Homo sapiens)
• Imperial Mammoth † (Mammuthus imperator)
• Jaguar (Panthera onca augusta)
• Jefferson's Ground Sloth † (Megalonyx jeffersoni)
• Jeffersonian Mammoth † (Mammuthus jeffersonii)
• Kodiak bear (brown bear) (Ursus arctos middendorfi)
• Laurillard's Ground Sloth † (Eremotherium laurillardi)
• Large Beaver † (Procastoroides sp.)
• Large-Headed Llama † (Hemiauchenia macrocephala)
• Long-nosed Peccary † (Mylohyus nasutus)

Drawing of a mastodon skeleton by Rembrandt Peale

Bison Where grassland seperate

Black bears are largest76 to 91 centimeters (2.5 to 3 ft)

• Longhorn Bison † (Bison latifrons)
• Mackenzie Valley Wolf (Canis lupus occidentalis)
• Mexican Horse † (Equus conversidens)
• Mexican Wolf (Canis lupus baileyi)
• Moose (Alces alces gigas)
• Mountain goat (Oreamnos americanus)
• Mule deer (Odocoileus hemionus)
• Muskox (Ovibos moschatus)
• North American Glyptodon † (Glyptotherium texanum)
• Northern Pampathere † (Holmesina septentrionalis)
• Odocoileus lucasi †
• Plains Bison (Bison bison bison)
• Polar Bear (Ursus maritimus)
• Pronghorn antelope (Antilocapra americana)
• Pinckney's Capybara † (Neochoerus pinckneyi)
• Pygmy Mammoth † (Mammuthus exilis)
• Pygmy Onager † (Equus tau)
• Red Wolf (Canis rufus)
• Running hyena (Chasmaporthetes ossifragus)
• Rusconi's Ground Sloth † (Eremotherium rusconii)
• Sabre-toothed cat † (Smilodon fatalis)
• Sea Otter (Enhydra lutris)
• Shasta Ground Sloth † (Nothrotheriops shastensis)
• Short-faced bears † (Arctodus simus and A. pristinus)
• Shrub-ox † (Euceratherium collium)
• Saiga Antelope † (Saiga borealis)
• Simpson's Glyptodon † (Glyptotherium floridanum)
• Soergel's ox † (Soergelia mayfieldi)
• Stag-moose † (Cervacles scotti)
• Staudinger's muskox † (Praeovibos priscus)
• Steller's sea cow † (Hydrodamalis gigas)
• Steppe horse † (Equus steppis)
• Stilt-legged deer † (Sangamona fugitivia)
• Stout-legged Llama † (Palaeolama mirifica)
• Western Dirk-toothed Cat † (Megantereon sp.)
• West Indian Manatee (Trichechus manatus)
• White-tailed deer (Odocoileus virginianus)
• Wilmington’s Giant Ground Sloth † (Eremotherium eomigrans)
• Vancouver Island Wolf (Canis lupus crassodon)
• Western Hog-nosed Skunk (Conepatus mesoleucus)
• Woolly Mammoth † (Mammuthus primigenius)
• Yesterday's Camel † (Camelops hesternus)
• Yukon Wild Ass † (Equus asinus lambei)

Class Sauropsida

• Alligator Snapping Turtle (Macrochelys temminckii)
• American Alligator (Alligator mississippiensis)
• American Crocodile (Crocodylus acutus)

the largest Alligator 13 to 14.5 ft (4.0 to 4.4 m)

• American Giant Tortoise † (Geochelone wilsoni)
• Beaded lizard (Heloderma horridum)
• Bolson Tortoise (Gopherus flavomarginatus),

Class Actinopterygii

(non-oceanic species)

• Alligator gar (Atractosteus spatula)
• American paddlefish (Polyodon spathula)
• Atlantic sturgeon (Acipenser oxyrinchus oxyrinchus)
• Blue catfish (Ictalurus furcatus)
• Chinook Salmon (Oncorhynchus tshawytscha)
• Flathead catfish (Pylodictis olivaris)

• Green sturgeon (Acipenser medirostris)
• Lake sturgeon (Acipenser fulvescens)
• Muskellunge (Esox masquinongy)
• Pallid sturgeon (Scaphirhynchus albus)
• White sturgeon (Acipenser transmontanus)

Class Amphibia

• American Bullfrog (Rana catesbeiana)

Gallery

NOTE: functional category tags should not be placed in these subpages while they are in user space.

[[Category:Lists of animals|North American megafauna]] [[Category:Fauna of the United States|*]] [[Category:Megafauna|*]] [[Category:Megafauna of North America|*]]