
CC0 · GBIF · full resolution
Isognomon perna
Animalia › Mollusca › Bivalvia › Ostreida › Isognomonidae
- Collected by
- D.B. Langford & D. Thaanum; D. ThaanumD.B. LangfordD. B. Langford →Ditlev Due Thaanum →
- Collector number
- 9510,d
- Date
- 1932
- Locality
- Ryukyu Islands; Loochoos; Yaeyama; Ishigaki; Taketomi Island
- Region
- Ryukyu Islands
- Record type
- Preservedspecimen
Isognomon perna observed alive
This specimen was collected in 1932. Since 2000, iNaturalist observers have recorded 198 research-grade sightings in the wild, most recently on 2026-10-23.

2026-10-23
Kalakaua Ave, Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)

2026-09-30
Kamehameha Hwy + Pupukea Beach Park, Pupukea, HI 96712, USA
(c) Cheryl Stinchcomb, some rights reserved (CC BY)

2026-09-06
Kaihalulu, Kahuku, HI, US
(c) jaminhein1215, some rights reserved (CC BY-NC)

2026-09-05
Pāhoa, HI 96778, USA
(c) rathbunjon, some rights reserved (CC BY-NC)

2026-08-14
Condado de Honolulu, Hawái, EE. UU.
(c) Dsmacd1, some rights reserved (CC BY-NC)

2026-08-08
North Shore, Waialua, HI, USA
(c) Daniel Ward, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Isognomon perna. BPBM 260834. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 37284040. Accessed via explore.bishopmuseum.org/specimens/mo/260834.
Record sources
- GBIF occurrence 37284040 ↗
- Data license: CC0
- Last harvested October 27, 2026
