BPBM 267165Malacology

Isognomon californicum

Black purse shell

Animalia › Mollusca › Bivalvia › Ostreida › Isognomonidae

Collected by: Reath, Pakki; HWN Island Harbor Survey/ Coles, SteveStephen L. Coles →HWN Island Harbor Survey →Pakki A. Reath →
Date: March 31, 2003
Locality: Hawaiian Archipelago; Maui; Station 2; Kahului Pier #2
Island: Maui
Region: Maui County, Hawaii, United States
Record type: Preservedspecimen

35 Bishop specimens of Isognomon californicum · collected 1900–2003Species page ›

Collected the same day

On March 31, 2003, Reath, Pakki; HWN Island Harbor Survey/ Coles, Steve also collected 24+ other specimens.

Isognomon californicus observed alive in Hawaiʻi

This specimen was collected in 2003. Since 2000, iNaturalist observers have recorded 260 research-grade sightings in the wild, most recently on 2026-10-12.

2026-10-12

Lāʻie, HI, US

(c) anemoneme, some rights reserved (CC BY-NC)

2026-09-24

Kaiminani, HI 96740, USA

(c) rnpreptiles, some rights reserved (CC BY-NC)

2026-09-12

Māʻili Beach Park, 87-021 Farrington Hwy, Waianae, HI 96792, USA

(c) pickin, some rights reserved (CC BY-NC)

2026-09-03

Kailua Kona, HI, US

(c) nikkibirding, some rights reserved (CC BY-NC)

2026-08-30

Mauna Loa, Hōnaunau-Nāpōʻopoʻo, HI, US

(c) alex_tran, some rights reserved (CC BY-NC)

2026-08-03

S Kihei Rd, Kihei, HI, US

(c) leelovesnature1111, some rights reserved (CC BY-NC)

Observations and photos from iNaturalist, shown only when openly licensed.

Cite this specimen

Isognomon californicum. BPBM 267165. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 37283661. Accessed via explore.bishopmuseum.org/specimens/mo/267165.

Record sources

GBIF occurrence 37283661 ↗
Data license: CC0
Last harvested October 27, 2026