The Cretaceous period, specifically from the Barremian to ... likely facilitated their successful adaptation to pelagic life. However, while pelagic sharks thrived, some species faced ...
As the period came to a close, life-forms still common today filled ... the absence of the giant mosasaurs and plesiosaurs of the Cretaceous. Squid and other soft-bodied cephalopods replaced ...
Dated to 90 million years ago, it attests to a much warmer climate during the Late Cretaceous period. Plant fossils had ... As resin flows, it can trap plant fragments, spores, insects, and even ...