Umbonium costatum

Trochidae

Collected by: Daniel B. Langford; Ditlev Due ThaanumD.B. LangfordD. B. Langford →Ditlev Due Thaanum →
Locality: Japan; Sagami Bay
Region: Japan
Record type: Preservedspecimen

Umbonium costatum observed alive

Since 2000, iNaturalist observers have recorded 72 research-grade sightings in the wild, most recently on 2026-10-05.

2026-10-05

Приморский край, Россия, 692705

(c) Nikolai Tsoi, some rights reserved (CC BY-NC)

2026-09-20

г. Владивосток, Приморский край, Россия

(c) Ирина Бортникова, some rights reserved (CC BY-NC)

2026-09-02

г. Находка, Приморский край, Россия

(c) Gennadiy Okatov, some rights reserved (CC BY-NC)

2026-08-29

日本、〒431-0201 静岡県浜松市中央区篠原町２７３８５−１

(c) まめきち, some rights reserved (CC BY-NC)

2026-08-22

Хасанский р-н, Приморский край, Россия

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

2026-08-19

Khasanskiy rayon, RU-PR, RU

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

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

Umbonium costatum. BPBM 204701. Bernice Pauahi Bishop Museum, Honolulu. Accessed via explore.bishopmuseum.org/specimens/mo/204701.