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*****SPAM***** Re: Cranial crests in pterosaurs



In Figure 10, Frey et al., (2003) illustrated a reconstruction of the cranial crests with soft parts of pterosaurs Pterodactylus sp., Huanhepterus quinyangensis, Germanodactylus cristatus, Germanodactylus rhamphastinus, Phobetopter parvus, Dsungaripterus weii, Tapejara imperator, Tapejara wellnhoferi, Tupuxuara longicristatus and Gnathosaurus subulatus. They still divided these pterosaur skulls in five basic parts: soft-tissue crista, fibrous crista, rhamphotheca, occipital cone and bone.

They reconstructed the cranial crest of these pterosaurs with support on the new Pterodactylus specimen (JME SOS 4784) with a preserved fibrous cone and others soft-tissues.

Is the fibrous occipital cone an not mineralized occipital spine (= parietal crest)? This soft-tissue crests reconstructions be correct?

Frey, E.; Tischilinger, H.; Buchy, M.-C. & Martill, D.M., 2003. New specimens of Pterosauria (Reptilia) with soft partes with implications for pterosaurian anatomy and locomotion. In: Buffetaut, E. & Mazin, J.-M. (Eds.) Evolution and Palaeobiology of Pterosaurs. Geological Society, London, Special Publications, 217, 233-266.

Regards,
Bruno

David Peters wrote:

Bruno

How were you surprised? That will give us a starting point.

David Peters
St. Louis