
CC0 · GBIF · full resolution
Calliostoma unicum
Animalia › Mollusca › Gastropoda › Trochida › Calliostomatidae
- Collected by
- Thaanum
- Collector number
- 6279
- Locality
- Japan; Hirado, Hizen.
- Region
- Japan
- Record type
- Preservedspecimen
Tristichotrochus unicus observed alive
Since 2000, iNaturalist observers have recorded 14 research-grade sightings in the wild, most recently on 2026-10-17.

2026-10-17
Gyeongsangbuk-do, KR
(c) 신승엽, some rights reserved (CC BY-NC)

2025-08-19
日本、〒517-0004 三重県鳥羽市菅島町
(c) sugashima_mar, some rights reserved (CC BY-NC)

2025-06-26
Seogwipo, KR-CJ, KR
(c) 邹轶帆Zou Yifan, some rights reserved (CC BY-NC-ND)

2024-07-14
Haeundae-gu, Busan, South Korea
(c) Julia Betz, some rights reserved (CC BY-NC)

2023-10-03
中国辽宁省大连市金州区
(c) 邹轶帆Zou Yifan, some rights reserved (CC BY-NC-ND)

2023-06-06
中国辽宁省大连市西岗区
(c) 邹轶帆Zou Yifan, some rights reserved (CC BY-NC-ND)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Calliostoma unicum. BPBM 226838. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 35690052. Accessed via explore.bishopmuseum.org/specimens/mo/226838.
Record sources
- GBIF occurrence 35690052 ↗
- Data license: CC0
- Last harvested October 27, 2026
