Calliostoma gemmulatum
Western Gem Topshell
P. P. Carpenter, 1864Accepted name in the World Register of Marine Species.WoRMS 437189 ↗
Photo: no rights reserved, uploaded by Alex Heyman (iNaturalist)
1
Bishop specimens
0
Type specimens
—
First collected
—
Last collected
2026
Last seen alive
From the collection
Alive today
49 research-grade iNaturalist sightings in the wild since 2000. Most recent first.
2026-09-18
Santa Barbara County, US-CA, US
(c) Nathan, some rights reserved (CC BY)
2026-08-30
Santa Barbara County, US-CA, US
(c) Nathan, some rights reserved (CC BY)
2026-07-11
San Luis Obispo County, CA, USA
(c) Nathan, some rights reserved (CC BY)
2026-07-11
San Luis Obispo County, CA, USA
(c) Siobhan O'Neill, some rights reserved (CC BY-NC)
2026-07-11
San Luis Obispo County, CA, USA
(c) Nathan, some rights reserved (CC BY)
2026-07-08
Shell Beach & Ebb Tide, Pismo Beach, CA 93449, USA
(c) Intin Acarthan, some rights reserved (CC BY-NC)
2026-07-08
Shell Beach & Ebb Tide, Pismo Beach, CA 93449, USA
(c) Intin Acarthan, some rights reserved (CC BY-NC)
2026-07-08
Shell Beach & Ebb Tide, Pismo Beach, CA 93449, USA
(c) Intin Acarthan, some rights reserved (CC BY-NC)