The answer is no. The largest whale ever to have lived is the blue whale, Balaenoptera musculus, and it is alive today. No fossil whales that has been known are as large as the blue whale.
You can check out this link for furthur information. http://dsc.discovery.com/convergence/beasts/know/uhen.html
Xiphactinus
The biggest prehistoric fish found is believed to be the Leedsichthys, a giant filter-feeding fish that lived during the Jurassic period. Estimates suggest it could reach lengths of up to 27 meters (around 89 feet).
palcoderma is a prehistoric fish palcoderma is a prehistoric fish
i found out today ^_^. a mosasaurus
Giganotosaurus
anaconda
a prehistoric fish
yes it is an prehistoric animal
Giant Capybara
fish.
Many prehistoric animals and dinosaurs have been discovered in South Carolina. These include prehistoric crocodiles, prehistoric whales, and prehistoric fish.
nobody knows the biggest fish in the swansea bay because they are migratory but the biggest fish in the lakes on record is in the fendrod lake and that is a 29lbs mirror carp and it is well known to the anglers her name is paw print