Cerithium asper
rough horn
13
Bishop specimens
0
Type specimens
1923
First collected
1957
Last collected
No recent record
Last seen alive in Hawaiʻi
Where Bishop collected it
6 mapped specimens. Localities of endangered species are shown approximately.
Two centuries of collecting
1920s1950s
The oldest Bishop specimen was collected in 1923 by Ditlev Due Thaanum; Ditlev Due Thaanum (Palmyra Atoll).
From the collection
