They are finding bigger species of long-dead ichthyosaurs

...length at 23 metres. The skull alone was 5.8 m long, and each broad, tapered flipper was 5.3 m long. The largest of the creature's hockey-puck-shaped vertebrae is 27 cm across... Isolated fossil vertebrae of other animals from the same species, taken from this site and others in British Columbia, are 36 cm across, meaning it was a minimum of 30 metres in length.

... the ichthyosaur was an ambush predator, lunging at its meals as they swam past...