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2. List of artiodactyls - Wikipedia

   en.wikipedia.org/wiki/List_of_artiodactyls

   The order Artiodactyla consists of 349 extant species belonging to 132 genera. This does not include hybrid species or extinct prehistoric species. Modern molecular studies indicate that the 132 genera can be grouped into 23 families; these families are grouped into named suborders and many are further grouped into named clades, and some of these families are subdivided into named subfamilies.

3. History of Animals - Wikipedia

   en.wikipedia.org/wiki/History_of_Animals

   History of Animals (Greek: Τῶν περὶ τὰ ζῷα ἱστοριῶν, Ton peri ta zoia historion, "Inquiries on Animals"; Latin: Historia Animalium, "History of Animals") is one of the major texts on biology by the ancient Greek philosopher Aristotle, who had studied at Plato's Academy in Athens. It was written in the fourth century BC ...

4. List of perissodactyls - Wikipedia

   en.wikipedia.org/wiki/List_of_perissodactyls

   List of perissodactyls. Three perissodactyl species (clockwise from left): plains zebra (Equus quagga), Indian rhinoceros (Rhinoceros unicornis) and South American tapir (Tapirus terrestris) Perissodactyla is an order of placental mammals composed of odd-toed ungulates – hooved animals which bear weight on one or three of their five toes with ...

5. Historia animalium (Gessner book) - Wikipedia

   en.wikipedia.org/wiki/Historia_animalium...

   Hunting dogs, Book 1. The Historia animalium was Gessner's magnum opus, and was the most widely read of all the Renaissance natural histories.The generously illustrated work was so popular that Gessner's abridgement, Thierbuch ("Animal Book"), was published in Zurich in 1563, and in England Edward Topsell translated and condensed it as a Historie of foure-footed beastes (London: William ...

6. Evolution of cetaceans - Wikipedia

   en.wikipedia.org/wiki/Evolution_of_cetaceans

   The evolution of cetaceans is thought to have begun in the Indian subcontinent from even-toed ungulates (Artiodactyla) 50 million years ago (mya) and to have proceeded over a period of at least 15 million years. [2] Cetaceans are fully aquatic mammals belonging to the order Artiodactyla and branched off from other artiodactyls around 50 mya.

7. Progression of Animals - Wikipedia

   en.wikipedia.org/wiki/Progression_of_Animals

   Progression of Animals. Progression of Animals (or On the Gait of Animals; Greek: Περὶ πορείας ζῴων; Latin: De incessu animalium) is one of Aristotle 's major texts on biology. It gives details of gait and movement in various kinds of animals, as well as speculating over the structural homologies among living things. [1 ...

8. Convergent evolution - Wikipedia

   en.wikipedia.org/wiki/Convergent_evolution

   Convergent evolution is the independent evolution of similar features in species of different periods or epochs in time. Convergent evolution creates analogous structures that have similar form or function but were not present in the last common ancestor of those groups. The cladistic term for the same phenomenon is homoplasy.

9. Generation of Animals - Wikipedia

   en.wikipedia.org/wiki/Generation_of_Animals

   For example, while one of the two principal topics covered in book I is the function of semen (gone, sperma), this account is not finalised until partway through book II. Book I (715a – 731b) Chapter 1 begins with Aristotle claiming to have already addressed the parts of animals, referencing the author's work of the same name.