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单词 paraphyly
释义

paraphylyn.

Brit. /ˈparəˌfʌɪli/, U.S. /ˈpɛrəˌfaɪli/
Origin: Formed within English, by derivation. Etymons: para- prefix1, polyphyly n., monophyly n.
Etymology: < para- prefix1 + -phyly (in polyphyly n., monophyly n., etc.), after paraphyletic adj.
Taxonomy.
The state of being paraphyletic; paraphyletic development of a taxon or group.
ΘΚΠ
the world > life > biology > taxonomy > taxon > [noun] > not nec. having common genetic origin
grade1957
paraphyly1971
1971 Systematic Zool. 20 68/2 When the distinction between monophyly and polyphyly is based upon cladistic inclusion or exclusion of the most recent common ancestor, a real difference exists between polyphyly and paraphyly.
1985 Paleobiology 11 44/2 The evolutionary taxonomist accepts paraphyly but not polyphyly.
2000 Nature 27 Jan. 420/1 There is also support for monophyly rather than paraphyly of anilioids (Anilius, Cylindrophis, uropeltids and Anomochilus).
This is a new entry (OED Third Edition, June 2005; most recently modified version published online March 2022).
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n.1971
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