A very large pterosaur cervical vertebra is described from the
Upper Maastrichtian deposits of Mérigon, in the foothills of the
French Pyrenees. It resembles the vertebrae of Quetzalcoatlus,
from the Maastrichtian of Texas, more than those of
Arambourgiania, from the Maastrichtian of Jordan. The estimated
wing span of the Mérigon pterosaur is close to 9 m,
which makes it one of the largest known flying creatures. Giant
pterosaurs still had a wide geographical distribution at the end
of Maastrichtian time, which is not suggestive of a declining
group, although it is difficult to obtain an accurate estimate of
taxonomic diversity of terminal Cretaceous pterosaurs on the
basis of available data.