19 April 2010.
According to Naturalis museum in Leiden, the Netherlands, a new reptile fossil has been added to their collection.
It is the oldest reptile fossil ever discovered in the Netherlands, a skull of Nothosaurus winkelhorsti; about 240 million years old, from the Triassic.
It was discovered in 1990 in Winterswijk in the eastern Netherlands. It is a primitive Nothosaurus species, three times smaller than later representatives of those swimming reptiles.
This is a 30 August 2019 Atopodentatus video.
Also from the Triassic: the Atopodentatus unicus (approximately meaning “unique disturbingly weird-toothed”), classified as a sauropterygian (best-known for its plesiosaurs and nothosaurs). Atopodentatus had semi-aquatic adaptations but retained strong hips and legs: here.
Triassic aetosaurs: here. And here.
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