paraphyletic

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paraphyletic
paraphyletic, a. Taxon. (pærəfaɪˈlɛtɪk) [f. para-1 1 + phyletic a.] Of a group of taxa: containing some but not all of the descendants of a common ancestor, esp. when the group has been considered a taxon on the basis of shared primitive characteristics. Cf. polyphyletic a.1965 W. Hennig in Ann. Rev... Oxford English Dictionary
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Spheciformes
The Spheciformes is a paraphyletic assemblage of insect families which collectively comprise the "sphecoid wasps". Larvae are carnivorous. References Apoidea Paraphyletic groups wikipedia.org
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並系類群:並系(paraphyletic)是具有一個共同祖先,但不包括所 -百科知識中文網
概述. 並系類群(paraphyletic group):分支系統學中根據近祖共性歸類的類群稱為並系類群,是一個沒有包括其最晚祖種全部後裔種的類群。 分支系統學排除並系類群,只接受單系類群。. 詳情. 植物分類和系統演化研究中,基於類群和性狀處理的方法,形成了三個學派,就是進化學派、表征學派和 ...
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Triisodontidae
Triisodontidae is an extinct, probably paraphyletic, or possibly invalid family of mesonychian placental mammals. A recent study found them to be a paraphyletic assemblage of stem-mesonychians. wikipedia.org
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holophyletic
holophyletic, a. Taxon. Brit. /ˌhɒləʊfʌɪˈlɛtɪk/, U.S. /ˈˌhɑloʊˌfaɪˈlɛdɪk/ [‹ holo- comb. form + phyletic adj. Compare earlier monophyletic adj., paraphyletic adj.] Of a group or taxon: including all and only the descendants of a common ancestor or ancestral group; monophyletic (in the narrower sense... Oxford English Dictionary
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Proterosuchia
Under the cladistic system, this is a paraphyletic grade, rather than a natural group. References Prehistoric archosauriforms Paraphyletic groups Taxa named by Robert Broom wikipedia.org
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define proterosuchia
Proterosuchia is one of the suborders of the paraphyletic group Thecodontia; containing the most primitive and ancestral forms.
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Dromiacea
See the below cladogram: Recent studies have found that some of the families may not be monophyletic, but rather paraphyletic. The Dromioidea family Dromiidae may be paraphyletic with respect to Dynomenidae The Homoloidea family Homolidae is paraphyletic with respect to Latreilliidae wikipedia.org
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Hyaenodontidae
Preregidens langebadrae Genus: †Protoproviverra †Protoproviverra palaeonictides (unranked): †Cynohyaenodon/Quercytherium clade Genus: †Cynohyaenodon (paraphyletic pervagus †Hyaenodon pumilus †Hyaenodon requieni †Hyaenodon rossignoli †Hyaenodon weilini †Hyaenodon yuanchuensis Subgenus: †Neohyaenodon (paraphyletic wikipedia.org
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What is the minimum number of clades necessary to partition Vertebrates while maintaining the classical groups of Birds, Mammals, and Amphibians? At school I was taught the Linnaean view of vertebrate life - that vert...
[enter image description here]( Here, what was preivously 'Fish' (the paraphyletic group of non-tetrapod vertebrates) becomes 6 clades, and 'Reptiles' (the paraphyletic group of non-avian Sauropsids) becomes 3.
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Younginiformes
A 2009 study found them to be an unresolved polytomy at the base of Neodiapsida, while a 2011 study recovered the group as paraphyletic. Paraphyletic groups Permian reptiles Triassic diapsids Permian first appearances Triassic extinctions wikipedia.org
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并系群
并系(英文:paraphyly 或 paraphyletic)又称并源,是系统发生学上常用的概念,指某一生物类群包含了一个共同祖先及其部分后代,但未包含其所有后代。 这种由同一祖先演化而来的部分后代所组成的类群,被称为并系群(英文:paraphyletic group;中国大陆又译作偏系群,台湾又译作侧系群或旁系群)。通常并系群包含了与祖先相比性状变化不大的成员,而变化更大的成员则被排除在外。 wikipedia.org
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why are stints birds difficult to identify
A stint is one of several small waders in the paraphyletic "Calidris" assemblage.
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泥蜂型类
The group is paraphyletic because the bees are believed to have arisen from a subgroup within the family , thus Spheciformes does not include all of the wikipedia.org
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