
Williamia radiata
Animalia › Mollusca › Gastropoda › Siphonariida › Siphonariidae
- Collected by
- DeFelice & Coles; Coles, S.Stephen L. Coles →Ralph C. DeFelice →
- Date
- January 18, 2001
- Locality
- Hawaiian Islands; Oahu; Waikiki; Sta. 8; Ala Wai Buoy
- Island
- Oʻahu
- Region
- Honolulu County, Hawaii, United States
- Record type
- Preservedspecimen
Collected the same day
On January 18, 2001, DeFelice & Coles; Coles, S. also collected 24+ other specimens.
Williamia radiata observed alive in Hawaiʻi
This specimen was collected in 2001. Since 2000, iNaturalist observers have recorded 4 research-grade sightings in the wild, most recently on 2026-10-20.

2026-10-20
Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)

2017-05-29
Kaneohe Bay, W of Kekepa Island
(c) smithsonian_marinegeo, some rights reserved (CC BY-NC-SA)

2017-05-27
Kaneohe Bay, NE of Kapapa Island
(c) smithsonian_marinegeo, some rights reserved (CC BY-NC-SA)

2017-05-27
Kaneohe Bay, NE of Kapapa Island
(c) smithsonian_marinegeo, some rights reserved (CC BY-NC-SA)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Williamia radiata. BPBM 264257. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 39693086. Accessed via explore.bishopmuseum.org/specimens/mo/264257.
Record sources
- GBIF occurrence 39693086 ↗
- Data license: CC0
- Last harvested October 27, 2026
