A new paper (no new taxon named):
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First record of Oxfordian pliosaurs in South America.
First inequivocal pliosaur remains found in Chile.
New records here studied help to fill the gondwanic gap.
The new find increases the Late Jurassic vertebrate diversity from northern Chile.
First candidate to apex predator in the Jurassic system of northern Chile.
Abstract
This research presents the first pliosaur remains from the Upper Jurassic of the Atacama Desert, in northern Chile. Two specimens recovered from Oxfordian levels, are represented by a fragmentary mandibular ramus and by an associated humerus and femur, respectively. Previous to this research, the Jurassic South American pliosaur records were restricted to Tithonian endemic taxa from the NeuquÃn Province, in Argentina. The studied material represents the first of Oxfordian age known in Gondwana, adding to the scarce pliosaur records of Oxfordian age known worldwide.
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