What does "spur-shell" mean?

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.

Spur-shell

noun

noun ·Rare ·Advanced level

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Noun

1
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. dated

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.