found in waters off
Sitka
Crawfish Inlet, from about 21m 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
forma with costae throughout
The identification is based upon:
, : Loeblich, A. R.; Tappan, H. (1954). New name for two foraminiferal homonyms. Journal of the Washington academy of sciences. 44: 384. Plate , Fig.