Heterocentrotus mamillatus
Red Pencil Urchin
As recorded: Heterocentrotus mamillatus (Linnaeus, 1758)
Animalia › Echinodermata › Echinoidea › Camarodonta › Echinometridae
- Collected by
- D. Thaanum and L.A. ThurstonDitlev Due Thaanum →L.A. Thurston L.A. ThurstonL.A. Thurston →
- Locality
- Palmyra Island
- Island
- Palmyra Atoll
- Region
- Unknown Region
- Record type
- Preserved specimen
Heterocentrotus mamillatus observed alive
Since 2000, iNaturalist observers have recorded 2,228 research-grade sightings in the wild, most recently on 2026-10-21.
2026-10-21
Duba Saudi Arabia
(c) Sol Yoder, some rights reserved (CC BY-NC)
2026-10-18
Aliʻi Dr @ Magic Sands Beach Park, Kahaluu-Keauhou, HI 96740, USA
(c) Ryder Ford, some rights reserved (CC BY-NC)
2026-10-17
Recif Purembi, Nouvelle-Calédonie
(c) Corinne THOMAS / Etienne VILLARET, some rights reserved (CC BY-NC)
2026-10-15
Kalaoa, HI 96740, USA
(c) Curtis Mahon, some rights reserved (CC BY-NC)
2026-10-15
Kalaoa, HI 96740, USA
(c) Curtis Mahon, some rights reserved (CC BY-NC)
2026-10-12
Waikoloa Beach Resort, HI, US
(c) Erin Yakub Carr, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Heterocentrotus mamillatus. BPBM 318. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 412585757. Accessed via explore.bishopmuseum.org/specimens/w/318.
Record sources
- GBIF occurrence 412585757 ↗
- Data license: CC0
- Last harvested October 26, 2026