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Dino Codex
Another reptile groupPlesiosaurCarnivore

Traskasaura

Sea reptiles that swam with four large flippers, many with very long necks. Pliosaurs are a branch of the group with short necks and big heads, the top predators of their seas.

Who it is related to: Part of the Sauropterygia, a branch of reptiles separate from the dinosaurs.

This page has only the scientific data from the databases; there is no hand-written description yet.

Scientific details

Group
Plesiosaurs
Family
Elasmosauridae
When it lived
83.6–85.7 million years ago
Geologic stages
Santonian
Named by
O’Keefe et al., 2025
Fossil occurrences
3 sites

Countries with fossils

  • Canada

Data from Paleobiology Database and Wikidata