This dataset is about: (Table T9) Biotratigraphic nannofossil datums of sediments from ODP Leg 198 sites. Please consult parent dataset @ https://doi.org/10.1594/PANGAEA.788607 for more information.
The Eurasian fossil record is rich with the remains of sminthid rodents, a clade today represented by a single genus, Sicista. In contrast, the North American record of the family is sparse and exclus