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Another reptile groupPlesiosaurCarnivore
Aristonectes
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
- 66–83.6 million years ago
- Geologic stages
- Campanian – Maastrichtian
- Named by
- Cabrera, 1941
- Fossil occurrences
- 12 sites
Countries with fossils
- Antarctica
- Argentina
- Chile
Data from Paleobiology Database and Wikidata