Last Updated
：2025/11/28
spur-shell
Noun
Japanese Meaning
円錐形の巻貝の殻で、殻の縁がスパーのローウェルのように鋸歯状になっているもの（トロキダイ科やトルバイナイダ科 Astraea 属に属する種）
（ plural ）
Quizzes for review
Any of several species of conical gastropod shells in the family Trochidae and genus Astraea in family Turbinidae, the margin of the shells being toothed somewhat like the rowel of a spur.
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spur-shell
The marine biologist carefully cleaned the polished spur-shell before cataloging it in the museum's mollusk collection.
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The marine biologist carefully cleaned the polished spur-shell before cataloging it in the museum's mollusk collection.
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