Difflugia acuminata, each shell c. 290 µm, The Netherlands
Two shells joined together. Probably the shell to the right has used the other shell as building material.
Difflugia rubescens with double pseudostome
Difflugia test with double pseudostome (P) - Photomicrograph Martin Kreutz
The same test as above - Photomicrograph Martin Kreutz
Published: Oct. 27, 2016, last updated: Jul. 15, 2017