A number of forams have been cited to have different coiling directions in response to surface temperature. Globierina pachyderma, for example, exhibits dominant population of right coiling direction in cold water vs. left in warm water, and the ratio of these two forms have been utilized to estimate paleotemperature. A similar dependency of coiling directions on temperatures has been reported for Muricohebergella delrioensis in Cretaceous sediments.
Globigerina bulloides, a benthic foram, has been documented for its coiling directions related to seawater temperatures in surface sediments of the southern Indian Ocean.
A similar relationship has been documented for another benthic foram Bulinina marginata.