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Cacibupteryx, new Cuban pterosaur
>From Ben Creisler bh480@scn.org
In case this item has not been mentioned yet, the July
issue of Palaeontology has a new pterosaur:
Gasparini, Z., M Fernández, & M. de la Fuente, 2004. A
New Pterosaur from the Jurassic of Cuba. Palaeontology 47
(4): 919 --927.
Cacibupteryx caribensis gen. et sp. nov. is a new
pterosaur of the family Rhamphorhynchidae found in western
Cuba, in rocks of the Jagua Formation (Middle-Upper
Oxfordian). The holotype, a skull and part of the left
wing, is one of the few Jurassic pterosaurs that is well
preserved in three dimensions. The new taxon shares
characters with early and late Jurassic pterosaurs, and is
one of the few late Jurassic taxa from western Laurasia
and Gondwana. Furthermore, Cacibupteryx joins Nesodactylus
hesperius Colbert from Cuba, and Sordes pilosus Sharov,
from Kazakhstan as the most complete pterosaur recorded
from the Middle-Upper Oxfordian. Cacibupteryx caribensis
is one of the largest Jurassic pterosaurs known, and its
skull possesses several distinct characters, including
relatively broad roof elements (mainly frontal and
parietal bones), a jugal with a prominent recess,
occipital table trapezoidal in shape with the maximum
width between the quadrate bones, and a small fenestra
located in the posterior part of the pterygoid bones. In
the Oxfordian, the Caribbean Corridor separated Laurasia
and western Gondwana. The diversity of the marine
herpetofauna found in the Jagua Vieja Member (Jagua
Formation), and of teleostean fish, confirms that the
corridor was an effective seaway over which flew at least
Nesodactylus and Cacibupteryx.