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单词 phanerozonate
释义

phanerozonateadj.

Brit. /ˌfan(ə)rəˈzəʊneɪt/, U.S. /ˌfæn(ə)rəˈzoʊˌneɪt/
Origin: Formed within English, by compounding; modelled on a Latin lexical item. Etymons: phanero- comb. form, zonate adj.
Etymology: < phanero- comb. form + zonate adj., after scientific Latin Phanerozonia, order name (see phanerozone adj.).
Zoology. Now rare.
Denoting, relating to, or characteristic of a group of starfishes distinguished by conspicuous marginal plates and comprising the order Phanerozonia (now usually divided into two orders, Paxillosida and Valvatida).
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [adjective] > of, belonging to, or characteristic of Asteroidea > characteristic of order Phanerozonia
phanerozonate1889
phanerozone1962
1889 W. P. Sladen in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. XXX. p. xxvi I consider that the Phanerozonate group is older than the Cryptozonate.
1890 Amer. Naturalist 24 161 The Phanerozonia are regarded as the more primitive, especially as the young of a cryptozonate asteroid is phanerozonate.
1923 Nature 13 Jan. 47/1 What these specialists are impressed by is the ‘phanerozonate’ character of the Astropectinidae, that is, the edging of the arms with a series of broad plates termed the ‘marginals’.
1966 J. W. Durham et al. in R. C. Moore Treat. Invertebr. Paleont. I. u36/2 Some Cryptozonia have a phanerozonate stage in ontogeny.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
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adj.1889
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