
CC0 · GBIF · full resolution
Isognomon perna
Brown Purse Shell
Animalia › Mollusca › Bivalvia › Ostreida › Isognomonidae
- Collected by
- D. Thaanum; D. Thaanum
- Collector number
- 2067,o
- Date
- 1921
- Locality
- Hilo; Keaukaha
- Island
- Hawaiʻi Island
- Region
- Hawaii County, Hawaii, United States
- Coordinates
- 19.7317, -155.0460 ± 301 m
- Record type
- Preservedspecimen
Where it was collected
Still here: Isognomon perna observed near this locality
This specimen was collected in 1921. Since 2000, iNaturalist observers have recorded 4 research-grade sightings in the wild within 25 km, most recently on 2025-07-31.

2025-07-31
Onekahakaha Beach Park - Hilo, HI
(c) Mark Brown, some rights reserved (CC BY-NC)

2022-06-03
Hilo, HI 96720, USA
(c) Susie, some rights reserved (CC BY-NC)

2022-06-03
Hilo, HI 96720, USA
(c) Susie, some rights reserved (CC BY-NC)

2022-06-03
Hilo, HI 96720, USA
(c) Susie, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Isognomon perna. BPBM 260788. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 37283913. Accessed via explore.bishopmuseum.org/specimens/mo/260788.
Record sources
- GBIF occurrence 37283913 ↗
- Data license: CC0
- Last harvested October 27, 2026
