Thatcher, Diana L; Stewart, Joseph A; LaVigne, M; Williams, Branwen; Whitney, Nina M; Giss, Maya; McMahon, Teagan; Jellison, Brittany M; Guay, Katherine; Franklin, Heidi; Wanamaker, Alan D (2026): Seawater carbonate chemistry and boron isotope ratios in marine bivalve shells [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.995632