found in waters off
Sitka
Deep Inlet Entrance, from about 21m waterdepth
Pacific off Alaska USA
Geological Time: Quaternary Holocene recent
sampled collected by the captain of
The identification is based upon:
, : Dawson, J. W. (1860). Notice of Tertiary fossils from Labrador, Maine, etc., and remarks on the climate of Canada in the newer Pliocene or Pleistocene period. Canadian Naturalist and Geologist, Montreal. 5: 188-200. Plate , Fig.