Zoology. A star-shaped projection on the surface of a coralline; also, a star-shaped sponge-spicule.
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| 单词 | θ31908 |
| 释义 | the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of > parts of > sponge spicule > star-shaped (7) stella1828 Zoology. A star-shaped projection on the surface of a coralline; also, a star-shaped sponge-spicule. star1839 Zoology. Any of the star-shaped forms or apertures found on the surface of fossilized corals, and of many extant stony corals (order Scleractinia)… stellate1880 A stellate sponge-spicule. sterraster1887 A stellate sponge-spicule having very numerous rays soldered together for the greater part of their length. chiaster1888 A star-shaped sponge-spicule with slender cylindrical rays. Subcategories:— with six rays (2) |
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