Isognomon perna

Brown Purse Shell

Animalia › Mollusca › Bivalvia › Ostreida › Isognomonidae

Collected by: D.B. Langford & D. Thaanum; D. ThaanumD.B. LangfordD. B. Langford →Ditlev Due Thaanum →
Collector number: 9510
Date: 1925
Locality: Ryukyu Islands; Loochoos; Okinawa; Nago
Region: Ryukyu Islands
Record type: Preservedspecimen

97 Bishop specimens of Isognomon perna · collected 1900–2023Species page ›

Isognomon perna observed alive

This specimen was collected in 1925. 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 260828. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 37282307. Accessed via explore.bishopmuseum.org/specimens/mo/260828.

Record sources

GBIF occurrence 37282307 ↗
Data license: CC0
Last harvested October 27, 2026