Amastra irwiniana
4
Bishop specimens
2
Type specimens
1911
First collected
1922
Last collected
No recent record
Last seen alive in Hawaiʻi
Where Bishop collected it
4 mapped specimens. Localities of endangered species are shown approximately.
Two centuries of collecting
1910s1920s
The oldest Bishop specimen was collected in 1911 by Spalding; Sp. (Oʻahu).




