Geological Time: Quaternary Holocene recent
the image is published under
CC BY-NO-SA in the World Foraminifera Database
holotype
View of a specimen of Cassidulina teretis Tappan, 1951
The identification is based upon:
, : Tappan, H. (1951). Northern Alaska index Foraminifera. Contributions from the Cushman Foundation for Foramininiferal Research. 2: 1-8. Plate , Fig.