Geological Time: Neogene
the image is published under
CC BY-NO-SA in the World Foraminifera Database
View of a specimen of Echigoina hataii Matsunaga, 1963
The identification is based upon:
, : Matsunaga, T. (1963). Benthonic smaller foraminifera from the oil fields of northern Japan. Tohoku University Scientific Reports, 2nd Series (Geology). 35:65-122, pls. 24-52. Plate , Fig.