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Most terrestrial ungulates use the hoofed tips of their toes to support their body weight while standing or moving. Two other orders of ungulates, Notoungulata and Litopterna, both native to South America, became extinct at the end of the Pleistocene, around 12,000 years ago. The term means, roughly, "being hoofed" or "hoofed animal".
Paenungulata (from Latin paene "almost" + ungulātus "having hoofs") is a clade of "sub-ungulates", which groups three extant mammal orders: Proboscidea (including elephants), Sirenia (sea cows, including dugongs and manatees), and Hyracoidea . At least two more possible orders are known only as fossils, namely Embrithopoda and Desmostylia. [a]
Characteristics of underground environment caused cave dwelling animals to evolve a number of adaptations, both morphological and physiological. Examples of morphological adaptations include depigmentation (loss of external pigmentation), a reduction of cuticle thickness and the often extreme decrease of eyesight culminating in anophthalmia ...
Ungulates (meaning roughly "hoofed" or "hoofed animal") are several groups of mammals most of which use the tips of their toes, usually hoofed, to sustain their whole bodyweight whilst moving. The main article for this category is ungulate .
Pan-Euungulata (literally: "all true ungulates"; also known as: Euungulata [sensu lato] [2]) is a clade of placental mammals from grandorder Ferungulata, consisting of the taxon Euungulata [sensu stricto] and all taxa (species) more closely related to it than to any other living species.
Ungulates are distinguished by the structure of their feet and how they walk. The hoof is made of an outer layer of keratin called unguis. Instead of horn-shaped feet, elephants have wide stump ...
Ferungulata ("wild beasts and ungulates") is a grandorder of placental mammals that groups together mirorder Ferae and clade Pan-Euungulata.It has existed in two guises, a traditional one based on morphological analysis and a revised one taking into account more recent molecular analyses.
The white rhinoceros is the largest living perissodactyl. Perissodactyla (/ p ə ˌ r ɪ s oʊ ˈ d æ k t ɪ l ə /, from Ancient Greek περισσός, perissós 'odd' and δάκτυλος, dáktylos 'finger, toe' [3]), or odd-toed ungulates, is an order of ungulates.