Linked from
The 16 pages that link to Paleoceanography, each with the reason it gives.
PaleomagnetismRelated: Sediment magnetic records provide the time framework for ocean history.
PhytoplanktonRelated: Fossil phytoplankton shells preserve evidence of past ocean conditions.
MicropaleontologyRelated: Marine microfossil assemblages record changing ocean conditions.
SeabedRelated: Seabed sediments preserve records used to reconstruct ancient ocean conditions.
TestRelated: Chemical records in fossil tests help reconstruct ancient oceans.