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单词 tetracrepid
释义

> as lemmas

tetracrepid
tetracrepid adj.
Brit. /ˌtɛtrəˈkriːpɪd/
,
U.S. /ˌtɛtrəˈkrɛpəd/
a desmic sponge-spicule formed on a tetract nucleus. [ < tetra- comb. form + ancient Greek κρηπιδ-, κρηπίς foundation (see crepis n.) + -id suffix3.]
ΘΚΠ
the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [adjective] > relating to a sponge > of parts of sponge > formed on tetract nucleus
tetracrepid1888
1888 W. J. Sollas in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. XXV. p. lix It..is in some cases difficult to say, in the absence of a visible crepis, whether a desma is rhabdocrepid or tetracrepid.
1888 W. J. Sollas in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. XXV. p. lx Tetracrepid Desma.
extracted from tetra-comb. form
<
as lemmas
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