Quantitative study of evolution in the Sphaeroidinella lineage in mid-Pleistocene sediment of ODP Hole 154-926A (Appendix A)

• Main Author: Kucera, Michal
• Format: Dataset
• Language: English
• Published: PANGAEA 1998
• Subjects: -; 154-926A; Accumulation rate; planktic foraminiferal mass; DEPTH; sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Joides Resolution; Leg154; North Atlantic Ocean; Ocean Drilling Program; ODP; Sample code/label; Sample mass; Sphaeroidinella spp.; Split; Indian; Pacific; North Atlantic
• Online Access: https://doi.pangaea.de/10.1594/PANGAEA.679352; https://doi.org/10.1594/PANGAEA.679352

Morphological evolution in the late Neogene planktonic foraminifer Sphaeroidinella lineage involves a sudden increase of the percentage of specimens equipped with supplementary apertures (from <30% to >70%) in the mid-Pliocene (about 3.5 Ma). This evolutionary transition, marked by the first o...