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单词 prothelmis
释义

Prothelmisn.

Brit. /prəʊˈθɛlmɪs/, U.S. /proʊˈθɛlməs/
Origin: A borrowing from German. Etymon: German Prothelmis.
Etymology: < German Prothelmis ( Haeckel Anthropogenie (1874) 400) < proto- proto- comb. form + ancient Greek ἕλμις , variant of ἕλμινς helminth n.
Zoology. rare (now disused)
A hypothetical common evolutionary ancestor of the worms.
ΚΠ
1879 tr. E. Haeckel Evol. Man II. 76 The common parent-form of the whole Worm tribe (the Prothelmis).
1930 E. J. Hatfield tr. E. Rádl Hist. Biol. Theories xvi. 140 There is absolutely no palaeontological evidence in support of the suggestion that Protascus and Prothelmis ever existed.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).
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n.1879
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