
CC0 · GBIF · full resolution
BPBM 260185Malacology
Anadara rotundicostata
Round-Ribbed Ark
Animalia › Mollusca › Bivalvia › Arcida › Arcidae
- Collected by
- Daniel B. Langford & Ditlev Due Thaanum; Ditlev Due ThaanumD.B. LangfordD. B. Langford →Ditlev Due Thaanum →
- Collector number
- Th.#: 11032
- Date
- 1932
- Locality
- Ryukyu Islands; Loochoos; Okinawa; Outer Kowan, off
- Region
- Ryukyu Islands
- Record type
- Preservedspecimen
Anadara rotundicostata observed alive
This specimen was collected in 1932. Since 2000, iNaturalist observers have recorded 3 research-grade sightings in the wild, most recently on 2025-08-05.

2025-08-05
Bowen, QLD, AU
(c) mvlichens, some rights reserved (CC BY-NC)

2025-05-20
Hinchinbrook QLD, Australia
(c) Matt B, some rights reserved (CC BY)

2024-05-02
Bowen QLD 4805, Australia
(c) RattyExplores, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Anadara rotundicostata. BPBM 260185. Bernice Pauahi Bishop Museum, Honolulu. Accessed via explore.bishopmuseum.org/specimens/mo/260185.
Record sources
- Last harvested October 27, 2026
