needle
发表于 2025-3-26 20:56:39
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马笼头
发表于 2025-3-27 04:38:34
The Nervous System of the Tupaiidae: Its Bearing on Phyletic Relationshipss primates by many authorities (e. g. Simpson, 1945). Their current popularity as experimental subjects in neuroanatomy and neurophysiology has been a direct outgrowth of that status. Now that the view that they are primitive primates is less widely held, other considerations are being used to ratio
带来的感觉
发表于 2025-3-27 08:56:49
The Use of Reproductive and Developmental Features in Assessing Tupaiid Affinitiesf extant tree shrews which might provide insight into their evolutionary relationships with primates or other eutherians. Reproductive features were among the earliest to be cited as evidence of a special tupaiid-primate relationship. Kaudern (1911) was one of the first investigators to suggest clos
–scent
发表于 2025-3-27 11:35:18
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惩罚
发表于 2025-3-27 15:57:12
Tupaiid and Archonta Phylogeny: The Macromolecular Evidencelutionary origin have been proposed since the initial description of the tree shrew in the 18th century (see Luckett, Chapter 1, this volume). In general, discussion of the affinities of this complex of “primitive” scansorial mammals has centered around postulated associations with (1) the Insectivo
Connotation
发表于 2025-3-27 20:53:38
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龙卷风
发表于 2025-3-28 00:09:45
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Palatial
发表于 2025-3-28 03:38:14
Siwalik Fossil Tree Shrewscause ancestors must occur before descendants. Therefore, a sequence of fossils may reflect ancestor-descendant relationships, even if the fossils in hand are not themselves the actual ancestors or descendants.
wreathe
发表于 2025-3-28 10:09:33
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迫击炮
发表于 2025-3-28 10:43:39
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