Leptictida
Extinct order of mammals / From Wikipedia, the free encyclopedia
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Leptictida (leptos iktis "small/slender weasel") is a possibly paraphyletic extinct order of eutherian mammals. Their classification is contentious: according to cladistic studies, they may be (distantly) related to Euarchontoglires (rodents, primates and their relatives), although they are more recently regarded as the first branch to split from basal eutherians.[2] One recent large-scale cladistic analysis of eutherian mammals favored lepictidans as close to the placental crown-clade;[3] and several other recent analyses that included data from Cretaceous non-eutherian mammals found Leptictis to belong to the superorder Afrotheria.[4]
You can help expand this article with text translated from the corresponding article in Italian. (April 2019) Click [show] for important translation instructions.
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Leptictidans | |
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Fossil specimen of Leptictidium auderiense | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Mammalia |
Clade: | Eutheria |
Order: | †Leptictida McKenna, 1975 |
Subgroups[1] | |
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The most recent phylogenetic studies recover it as actually a paraphyletic assemblage leading to Placentalia.[5]