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单词 haplopore
释义

> as lemmas

haplopore
haplopore n.
Brit. /ˈhaplə(ʊ)pɔː/
,
U.S. /ˈhæploʊˌpɔr/
,
/ˈhæpləˌpɔr/
Zoology (in fossil echinoderms of the extinct class Diploporita) an unpaired pore on the surface of the theca; (also) a thecal canal that ends in such a pore; contrasted with diplopore n. at diplo- comb. form .
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > division Pelmatozoa > member of class Cystoidea > pore on surface of theca
haplopore1899
1899 Rep. Brit. Assoc. 1898 917 The simple or irregular haplopores become connected in pairs (diplopores).
1962 D. Nichols Echinoderms xi. 138 The diploporite Aristocystites..is flask-shaped, with a theca composed of many irregularly arranged plates pierced by haplopores and diplopores.
1969 Jrnl. Paleontol. 43 844/2 Some pores..resemble haplopores or diplopores of Diploporita (cystoid).
extracted from haplo-comb. form
<
as lemmas
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