@article{fdi:010088219, title = {500 million years of foraminiferal calcification}, author = {de {N}ooijer, {L}. {J}. and {S}ampedro, {L}. {P}. and {J}orissen, {F}. {J}. and {P}awlowski, {J}. and {R}osenthal, {Y}. and {D}issard, {D}elphine and {R}eichart, {G}. {J}.}, editor = {}, language = {{ENG}}, abstract = {{O}ngoing ocean acidification affects marine calcification, although the scope and magnitude of this impact is essentially unknown. {H}ere, we investigate the evolutionary origin of shell building in foraminifera to understand the long-term interplay between ocean carbon chemistry and calcification. {O}ur analysis of shell chemical composition reveals multiple, independent origins for foraminiferal calcification throughout the {P}hanerozoic. {D}ifferences between orders reflect the different physiological controls employed by foraminifera to take up {C}a2+ and inorganic carbon from seawater for {C}a{CO}3 precipitation. {W}ith the long timespan involved, variability in seawater chemistry provided contrasting environments for calcification to arise, resulting in the diverse calci-fication strategies that exist today. {T}his, in turn, explains the opposite responses of shell building to carbon perturbations. {O}ur results call for adopting an evolutionary perspective when predicting the impact of pertur-bations on marine calcification and thereby, on the global carbon cycle.}, keywords = {{F}oraminifera ; {E}volution ; {P}aleoclimate}, booktitle = {}, journal = {{E}arth-{S}cience {R}eviews}, volume = {243}, numero = {}, pages = {104484 [7 p.]}, ISSN = {0012-8252}, year = {2023}, DOI = {10.1016/j.earscirev.2023.104484}, URL = {https://www.documentation.ird.fr/hor/fdi:010088219}, }