Evidence from earliest known erinaceomorph basicranium that insectivorans and primates are not closely related. 1983

M J Novacek, and M C McKenna, and N A Neff, and R L Cifelli

The erinaceomorph insectivorans, which include the living hedgehog and a diversity of archaic taxa, have long been considered to be close relatives or direct ancestors of primates and a variety of other placental mammal orders. We report here on the oldest known erinaceomorph basicranium which provides new evidence against the view that primates and erinaceomorphs share a close common ancestry.

UI MeSH Term Description Entries
D007312 Eulipotyphla An order of insect eating MAMMALS including MOLES; SHREWS; HEDGEHOGS. Insectivora,Soricomorpha
D010161 Paleodontology The study of the teeth of early forms of life through fossil remains.
D010163 Paleontology The study of early forms of life through fossil remains. Archaeoparasitology,Paleoparasitology,Taphonomy
D011323 Primates An order of mammals consisting of more than 300 species that include LEMURS; LORISIDAE; TARSIERS; MONKEYS; and HOMINIDS. They are characterized by a relatively large brain when compared with other terrestrial mammals, forward-facing eyes, the presence of a CALCARINE SULCUS, and specialized MECHANORECEPTORS in the hands and feet which allow the perception of light touch. Primate
D002508 Cephalometry The measurement of the dimensions of the HEAD. Craniometry
D003817 Dentition The teeth collectively in the dental arch. Dentition ordinarily refers to the natural teeth in position in their alveoli. Dentition referring to the deciduous teeth is DENTITION, PRIMARY; to the permanent teeth, DENTITION, PERMANENT. (From Jablonski, Dictionary of Dentistry, 1992) Dentitions
D005075 Biological Evolution The process of cumulative change over successive generations through which organisms acquire their distinguishing morphological and physiological characteristics. Evolution, Biological
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012886 Skull The SKELETON of the HEAD including the FACIAL BONES and the bones enclosing the BRAIN. Calvaria,Cranium,Calvarium,Skulls

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