Equus: The Evolution Of The Horse (YouTube Video)
Abyssinian
Akhal-Teke
Albanian
Altai *
American Albino
American Cream Draft
American Gaited Pony
American Indian Horse
American Miniature
American Paint
American Saddle Horse
American Shetland Pony
American Walking Pony
American Warmblood
Andalusian
Anglo-Arabian
Anglo-Kabarda*
Appaloosa
AraAppaloosa
Arabian
Ardennes*
Asturian*
Australian Brumby*
Australian Pony
Australian Stock Horse
Azteca
Banker
Barb*
Bashkir
Bashkir Curly
Belgian
Belgian Warmblood
Black Forest Chestnut
Boer*
Breton*
Buckskin
Budyonny*
Byelorussian Harness Horse*
Camargue
Campolina*
Canadian
Canadina Sport Horse
Carthusian*
Caspian
Cayuse Indian Pony
Chilean Corralero*
Chincoteage Assateague
Cleveland Bay
Clydesdale
Colorado Ranger Horse*
Connemara Pony
Criollo
Dales Pony
Dartmoor Pony
Deliboz*
Døle*
Don Horse
Donkey
Dulmen
Dutch Draft*
Dutch Warmblood
Egyptian*
Eriskay Pony*
Exmoor
Falabella
Fell Pony
Finnhorse*
Fjord Pony
Florida Cracker Horse
Frederiksborg*
Friesian
Galiceño*
Galician Pony*
Gelderlander
Gidrán*
Golden American Saddlebred*
Gotland Pony
Groningen
Guangxi*
Gypsy Vanner
Hackney Horse
Haflinger
Half Arabian
Hanoverian
Hequ*
Highland Pony
Hokkaido*
Holsteiner
Hungarian Warmblood*
Icelandic Horse
Irish Draft
Irish Hunter
Knabstruper
Lipizzaner
Lusitano
Mérens
Missouri Fox Trotter
Morab
Morgan Horse
Moroccan Barb
Mountain Pleasure Horse
Mule
Mustang
National Show Horse
National Spotted Saddle Horse
New Forest Pony
Noriker
Oldenburg
Paint
Palomino
Paso Fino
Percheron
Peruvian Paso
Pintabian
Pinto
Poitevin
Pony Of The Americas
Przewalski's Horse
QuArab Horse
Quarter Horse
Racking Horse
Rocky Mountain Horse
Selle Francais
Shagya Arabian
Shetland Pony
Shire Horse
Spanish Barb
Spanish Mustang
Standardbred
Suffolk Punch
Swedish Ardennes
Swedish Warmblood
Tarpan
Tennessee Walking Horse
Thoroughbred
Trakehner
Welsh Cob
Welsh Pony
Westphalian
Wurttemburg
Zebra
Some data adapted from the following sources,
Oklahoma State University list of livestock breeds
Kentucky Horse Park