<i>Metasequoia</i> samples used for reconstructing paleo-CO₂ including fossil sites, ages, latitude, and longitude.

Metasequoia samples used for reconstructing paleo-CO2 including fossil sites, ages, latitude, and longitude.用于古大气二氧化碳浓度重建的水杉属（Metasequoia）样本，涵盖化石产地、地质年代、纬度及经度信息。