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Dorygnathus

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Dorygnathus
Creature information
Name meaning : Spear jaw
Time period : Early Jurassic
Primary diet : Carnivore
In the programmes
Fatalities caused : One Fish
Appearances : Walking with Dinosaurs: Inside Their World
In the books

Dorygnathus was a genus of pterosaur that lived in Europe during the Early Jurassic period, 180 MYA, when shallow seas flooded much of the continent. It had a short 1.5 meter (5 ft) wingspan, and a relatively small triangular sternum, which is where its flight muscles attached. Its skull was long and its eye sockets were the largest opening therein. Large curved fangs that "intermeshed" when the jaws closed featured prominently at the front of the snout while smaller, straighter teeth lined the back.

FactsEdit

Having variable teeth, a condition called heterodonty, is rare in modern reptiles but more common in primitive pterosaurs.

The heterodont dentition in Dorygnathus is consistent with a piscivorous (fish-eating) diet.

The fifth digit on the hindlimbs of Dorygnathus was unusually long and oriented to the side. Its function is not certain, but the toe may have supported a membrane like those supported by its wing-fingers and pteroids. Dorygnathus was according to David Unwin related to the Late Jurassic pterosaur, Rhamphorhynchus and was a contemporary of Campylognathoides in Holzmaden and Ohmden.

In Walking with... SeriesEdit

Walking with Dinosaurs: Inside Their WorldEdit

Dorygnathus is one of the viewable pterosaurs in the app. One is seen catching a fish and another is seen being eaten by Liopleurodon.


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