Evolution of the horse - Wikipedia
The evolution of the horse, a mammal of the family Equidae, occurred over a geologic time scale of 50 million years, transforming the small, dog-sized, [1] forest-dwelling Eohippus into the modern horse.
Horse - Evolution, Domestication, Anatomy | Britannica
2024年11月28日 · The evolutionary lineage of the horse is among the best-documented in all paleontology. The history of the horse family, Equidae, began during the Eocene Epoch, which lasted from about 56 million to 33.9 million years ago.
Evolution of the Horse - Paleontology World
The evolution of the horse, a mammal of the family Equidae, occurred over a geologic time scale of 50 million years, transforming the small, dog-sized, forest-dwelling Eohippus into the modern horse.
The Evolution of Horses | AMNH
A Brief History of Horses. By 55 million years ago, the first members of the horse family, the dog-sized Hyracotherium, were scampering through the forests that covered North America. For more than half their history, most horses remained small, forest browsers.
Origin and Evolution of Horses - AnimalWised
2024年7月17日 · The evolution of horses can be broadly categorized into six stages, each representing significant changes in their anatomy and ecological adaptations. These stages highlight the gradual transformation of early horse ancestors into the modern Equus species.
The Evolutionary Origin and Genetic Makeup of Domestic Horses
Here, we review the recent evolution of the horse lineage, with a main focus on the specificities of its domestication process, including the recent demographic history and the genetic basis underlying the domestication and makeup of modern domestic breeds.
50 Million Years of Horse Evolution - ThoughtCo
2019年10月14日 · The basic storyline goes like this: as the woodlands of North America gave way to grassy plains, the tiny proto-horses of the Eocene Epoch (about 50 million years ago) gradually evolved single, large toes on their feet, more sophisticated teeth, larger sizes, and the ability to run at a clip, culminating in the modern horse genus Equus.
18.5E: The Fossil Record and the Evolution of the Modern Horse
2024年11月23日 · Highly detailed fossil records have been recovered for sequences in the evolution of modern horses. The fossil record of horses in North America is especially rich and contains transition fossils: fossils that show intermediate stages between earlier and later forms.
Evolution of the Horse– The Most Complete Fossil Record – …
2024年3月3日 · The fossil record of equine evolution is currently recognized as the most complete record of Darwinian evolution, making it a prime model in evolutionary biology. From these records, the evolution of the horse can be broken down into five main genera, including the Eohippus (or Hyracotherium ), Mesohippus , Merychippus , Pliohippus , and the ...
Origins of the Horse - Nebraska Public Media
The modern day species of Equus (horses, zebras, and asses) have been around for about 2 million years. They are very different from the earliest known horse, Hyracotherium, otherwise knows as Oehippus, or “Dawn Horse”. This ancient horse was a small, dog-sized creature that lived from 55 to 45 million years ago.