Sedimentary time stamp

Foraminifera

­­­­in singles and in plethora

Benthic, planktonic

They all fall down

                                           alive

 

Living planktonic foraminfera with algal symbionts maintained in culture experiment. 

Photo by Alan Be. https://eps.rutgers.edu/paleoceanography-and-earth-history-research/662-planktonic-foraminifera-ecology-chemistry

 

"Living foraminifera from Lopar": Attribution: © Hans Hillewaert

This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.

                              not

(Credit: Randolph Femmer, USGS. Public domain.)

https://www.usgs.gov/media/images/foraminiferans-10-species-3