
Frenulina sanguinolenta
As recorded: Frenulina sanguinolenta (Gmelin, 1791)
Animalia › Brachiopoda › Rhynchonellata › Terebratulida › Frenulinidae
- Locality
- off Nanakuli
- Island
- Oʻahu
- Region
- United States
- Depth
- 100 m
- Record type
- Preserved specimen
Frenulina sanguinolenta observed alive
Since 2000, iNaturalist observers have recorded 19 research-grade sightings in the wild, most recently on 2026-03-01.

2026-03-01
North Pacific Ocean, HI, US
(c) Lila S., some rights reserved (CC BY-NC)

2025-08-24
Tinian grotto, CNMI
(c) kaeliswift, some rights reserved (CC BY-NC)

2025-05-11
Lighthouse Bay, Exmouth, WA, Australia
(c) Glen Whisson, some rights reserved (CC BY-NC)

2025-03-20
Mokapu Beach, Kihei, HI, US
(c) Lila S., some rights reserved (CC BY-NC)

2024-06-10
Honolulu County, US-HI, US
(c) D. Torres-Pulliza, some rights reserved (CC BY-NC)

2023-12-06
Blue Coral, Sugar Beach, Maui
(c) Karolle Wall, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Frenulina sanguinolenta. BPBM 106. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 36873971. Accessed via explore.bishopmuseum.org/specimens/m/106.
Record sources
- GBIF occurrence 36873971 ↗
- Data license: CC0
- Last harvested October 26, 2026
