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The late miocene artiodactyls in the Dhok Pathan type locality of the Dhok Pathan Formation, the Middle Siwaliks, Pakistan

The late Miocene artiodactyls are presented on the basis of description of abundant material from the Dhok Pathan type locality of the Dhok Pathan Formation, the Middle Siwaliks and the remains increasingly indicate taxonomic diversity. Quantitatively, the taxa of bovids are the most predominant. But cervids, tragulids, giraffids and suids are approximately as common as each other at Dhok Pathan. Comparative morphometric features of the late Miocene artiodactyls from the locality are studied in here. More than 130 artiodactyl fossil

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Comparison of the fatty acid component in structural lipids from dolphins, zebra and giraffe: possible evolutionary implications

Essential fatty acid compositional data on the structural lipids of mammals which predominantly eat n‐3 fatty acids suggests preferential incorporation of n‐6 essential fatty acids. The structural lipids of liver, muscle and brain of five species of dolphin (Tursiops truncatus, Stenella allenuata, Steno bredanesis, Delphinus delphis and Lagenorhynchus obliquidens), obtained from the wild, contained substantial amounts of arachidonic acid and other n‐6 long chain derivatives of linoleic acid. The n‐6 to n‐3 ratio was approximately 1:1. Data for two species of leaf‐eating land

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Holocene vegetation change and the mammal faunas of South America and Africa

Aim: Although sharing many similarities in their vegetation types, South America and Africa harbour very dissimilar recent mammal faunas, not only taxonomically but also in terms of several faunistic patterns. However late Pleistocene and mid-Holocene faunas, albeit taxonomically distinct, presented many convergent attributes. Here we propose that the effects of the Holocene climatic change on vegetation physiognomy has played a crucial role in shaping the extant mammalian faunistic patterns. Location: South America and Africa from the late Pleistocene to the

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Gaits in mammals

In recent years there has been a great deal of published work on movements of various mammals, in particular, studies on the bone morphology and range of movements of joints, the muscle structure and places of muscle attachment, the physiology of muscle performance, the peculiarities of species as mechanical systems and the specific leg movements in the gaits of some common mammals — monkeys, cheetahs, dogs, horses and pecoran species. No comprehensive work on the gaits of mammals has been

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