The oceans remained much the same as the Late Cretaceous seas, only that there was less life, few remaining marine reptiles (all of which were turtles and crocodiles), and other lesser known animals.
Danian |
Bathysoma lutkeni ("Lutken's Deep Body") is an extinct lamprid from the Danian epoch of Sweden, and is the second oldest lamprid known, after Nardovelifer of Campanian/Maastrichian Italy.
The species is known only from the Early Paleocene, Danian stage Rasstrigin 2 locality, Dubovsky District, Volgograd Oblast, Russia.