
Allodiscus dimorphus
(Reeve, 1852)Accepted name in the World Register of Marine Species.WoRMS 821156 ↗
Photo: (c) Saryu Mae 前 朝琉, some rights reserved (CC BY), uploaded by Saryu Mae 前 朝琉 (iNaturalist)
4
Bishop specimens
0
Type specimens
1923
First collected
1936
Last collected
2026
Last seen alive
Two centuries of collecting
The oldest Bishop specimen was collected in 1923 by A.W.B. Powell (New Zealand; North Island; near Karekare (W of Auckland)). The Museum last collected it in 1936; iNaturalist observers have seen it in the wild as recently as July 24, 2026.
From the collection
Alive today
12 research-grade iNaturalist sightings in the wild since 2000. Most recent first.

2026-07-24
North Shore, Hauraki, Auckland, New Zealand
(c) Thomas Simpson, some rights reserved (CC BY-NC)

2025-06-09
Big Omaha, New Zealand
(c) Joseph Knight, some rights reserved (CC BY-NC)

2025-03-05
Thames-Coromandel District, Waikato Region, New Zealand
(c) Michael Morgan, some rights reserved (CC BY-NC)

2022-10-30
North Shore, Hauraki, Auckland, New Zealand
(c) Zachary Robertson, some rights reserved (CC BY-NC)

2022-09-25
North Shore, Hauraki, Auckland, New Zealand
(c) Zachary Robertson, some rights reserved (CC BY-NC)

2022-09-25
North Shore, Hauraki, Auckland, New Zealand
(c) Zachary Robertson, some rights reserved (CC BY-NC)

2021-11-15
Albany Heights, North Auckland, New Zealand
(c) Saryu Mae 前 朝琉, some rights reserved (CC BY)

2021-11-15
Albany Heights, North Auckland, New Zealand
(c) Saryu Mae 前 朝琉, some rights reserved (CC BY)




