sand dollar

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sand dollar

noun sand dollars

Any echinoderm of the order Clypeasteroida, having a flat, disk-shaped body with the mouth in a mid-ventral position, and living in sand, on or near the surface. In the sand dollars, the arrangement of the food grooves and consequently the lateral water vessels and their accessory tube feet is more complex (Phelan 1977).
Similar: clypeasteroid, sand cookie, sea cookie

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Every language

noun any echinoderm of the order Clypeasteroida

Español	dólar de arena, galleta de mar
한국어	연잎성게 yeonipseongge
中文	沙錢 /沙钱
Português	bolacha-da-praia, bolacha-do-mar
Français	oursin-biscuit
Deutsch	Sanddollar
Italiano	riccio, riccio di mare

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MLA

"sand dollar." Wiktionary, via Micwyn, micwyn.com/word/sand%20dollar. Accessed 6 Nov. 2026.

APA

sand dollar. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/sand%20dollar

Chicago

"sand dollar." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/sand%20dollar.

BibTeX

@misc{sand_dollar_2026,
  title = {sand dollar},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/sand%20dollar},
  urldate = {2026-11-06}
}