found in waters off
Sitka
collected by F/V Cloud Nine at the Deep Inlet Entrance at 21 m waterdepth.
Pacific off Alaska USA
Geological Time: Quaternary Holocene recent
the specimen is photographed with the SEM VEGA3 TESCAN at Senckenberg am Meer by
Michael Hesemann and collected by
The identification is based upon:
, : Skinner, H. C. (1961). Revision of 'Proteonina difflugiformis. Journal of palaeontology. 35: 1238-1240. Plate , Fig.