Isognomon perna
Brown Purse Shell
As recorded: Isognomon perna (Linnaeus, 1767)
Animalia › Mollusca › Bivalvia › Ostreida › Isognomonidae
- Collected by
- R.C. DeFelice and S.L. ColesStephen L. Coles →Ralph C. DeFelice →
- Locality
- Ala Wai Harbor; Hilton Lagoon discharge pipe
- Island
- Oʻahu
- Region
- United States
- Coordinates
- 21.2828, -157.8409
- Depth
- 2 m
- Record type
- Preserved specimen
Where it was collected
Still here: Isognomon perna observed near this locality
Since 2000, iNaturalist observers have recorded 42 research-grade sightings in the wild within 25 km, most recently on 2026-10-23.
2026-10-23
Kalakaua Ave, Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)
2026-04-29
Honolulu County, US-HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)
2026-04-29
Kalākaua Ave, Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)
2026-04-26
Papu Cir, Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)
2026-04-24
Kalākaua Ave, Honolulu, HI, US
(c) jordan loftin, some rights reserved (CC BY-NC)
2026-04-05
Honolulu, HI, USA
(c) Hubert Szczygieł, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Isognomon perna. BPBM GBIF 4979310265. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 4979310265. Accessed via explore.bishopmuseum.org/specimens/mo/gbif-4979310265.
Record sources
- GBIF occurrence 4979310265 ↗
- Data license: CC_BY_4_0
- Last harvested October 26, 2026
Data-quality notes from GBIF
- Coordinates were rounded by GBIF
- Longitude sign looks reversed
Spot an error? Let the Malacology department know — corrections flow back to GBIF.