found in waters off
Sitka
collected by P. Blankenburg 12 Miles west of Cape Edgecumbe at 530 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:
, : d'Orbigny, A. (1826). Tableau méthodique de la classe des céphalopodes. Annales des Sciences Naturelles (1) 7: 96–169. Plate , Fig.