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单词 subphylum
释义

subphylumn.

Brit. /ˈsʌbˌfʌɪləm/, U.S. /ˈsəbˌfaɪləm/
Inflections: Plural subphyla.
Origin: Formed within English, by derivation. Etymons: sub- prefix, phylum n.
Etymology: < sub- prefix + phylum n.
Chiefly Zoology.
A subdivision of a phylum; a taxonomic category ranking below phylum and above class; a group of this rank.
ΚΠ
1869 W. F. Kirby tr. E. Haeckel in Q. Jrnl. Microsc. Sci. 9 328 The phylum of the Cœlenterata would henceforth divide into two subphyla.
1888 Encycl. Brit. XXIV. 810/1 The main branchings [of a genealogical tree] were termed ‘phyla’, their branchings ‘subphyla’.
1954 J. F. Kirkaldy Gen. Princ. Geol. xvii. 246 The dominant forms of life today belong to the sub-phylum of the Vertebrata.
1980 Jrnl. Paleontol. 54 588 All preserved characteristics are compatible with assignment of H[elenodora]inopinata to the subphylum Onychophora.
2006 J. T. Costa Other Insect Societies xx. 694 We come at last to the crustaceans, the great subphylum of crabs, lobsters, shrimp, barnacles, sow bugs, and relatives.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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