Spiny Cup-and-Saucer
Crucibulum spinosum
Spanish: Caracol sombrero espinoso

Crucibulum spinosum, common name the spiny cup-and-saucer snail, is a species of sea snail, a marine gastropod mollusk in the family Calyptraeidae, the slipper snails and cup-and-saucer snails. Most often recorded in Apr, Aug, Jul.
- 2026-04-22 — observation by andrea_tadarida_cb
- 2025-08-06 — observation by dani1212
- 2023-07-01 — observation by sergioescutia
Interactive card with more photos, sounds and similar species Mollusks guide iNaturalist Wikipedia
Cite as: “Spiny Cup-and-Saucer (Crucibulum spinosum) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/crucibulum-spinosum/, updated 2026-09-26. Observation counts and months come from iNaturalist research-grade records within about 50 km of 17.8375°N, 101.7606°W (the survey box also takes in Zihuatanejo, Ixtapa and Troncones); summary text from Wikipedia where present.