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Hyaenodon ("hyena-tooth") is an extinct genus of carnivorous placental mammals from extinct tribe Hyaenodontini within extinct subfamily Hyaenodontinae (in extinct family Hyaenodontidae), [19] that lived in Eurasia and North America from the middle Eocene, throughout the Oligocene, to the early Miocene.
Hyaenodontidae ("hyena teeth") is a family of placental mammals in the extinct superfamily Hyaenodontoidea. Hyaenodontids arose during the early Eocene and persisted well into the early Miocene . Fossils of this group have been found in Asia, North America and Europe.
Hyaenodonta ("hyena teeth") is an extinct order of hypercarnivorous placental mammals of clade Pan-Carnivora from mirorder Ferae. [6] [7] Hyaenodonts were important mammalian predators that arose during the early Paleocene in Europe [8] and persisted well into the late Miocene. [9]
Hyaenodontinae ("hyena teeth") is an extinct subfamily of predatory placental mammals from extinct family Hyaenodontidae. Fossil remains of these mammals are known from early Eocene to early Miocene deposits in Europe, Asia and North America. [3] [4] [5]
The first ancestral hyenas were likely similar to the modern African civet; one of the earliest hyena species described, Plioviverrops, was a lithe, civet-like animal that inhabited Eurasia 20–22 million years ago, and is identifiable as a hyaenid by the structure of the middle ear and dentition.
Hyainailouros ("hyena-cat") is an extinct polyphyletic genus of hyaenodont belonging to the family Hyainailouridae that lived during the early to middle Miocene, of which there were at least three species spread across Europe, Africa, and Asia.
Pachycrocuta is an extinct genus of prehistoric hyenas.The largest and most well-researched species is Pachycrocuta brevirostris, colloquially known as the giant short-faced hyena as it stood about 90–100 cm (35–39 in) at the shoulder [1] and it is estimated to have averaged 110 kg (240 lb) in weight, [2] approaching the size of a lioness, making it the largest known hyena.
Hyaenodonts were important mammalian predators that arose during the early Paleocene in Europe and persisted well into the late Miocene. Pages in category "Hyaenodonts" The following 54 pages are in this category, out of 54 total.