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The pterosaurs of the Cretaceous Kem Kem Group of Morocco

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posted on 2023-10-03, 11:54 authored by Roy E Smith, Nizar Ibrahim, Nicholas Longrich, David M Unwin, Megan L Jacobs, Cariad J Williams, Samir Zouhri, David M Martill

The pterosaur assemblage of the mid-Cretaceous Kem Kem Group of Morocco is reviewed. This analysis examines their taxonomy, palaeoecology and palaeobiology with comments on taphonomy. New material permits the rediagnosis of the azhdarchoids Alanqa saharica and Afrotapejara zouhrii. Several specimens are reported that do not fit within the paradigms of previously named taxa. They represent three distinct jaw morphotypes, but are not assigned to new taxa here. The assemblage is highly diverse, including four tooth-bearing taxa assigned to Ornithocheiridae and five named taxa and three additional morphotypes assigned to Azhdarchoidea. The Kem Kem Group assemblage is the most diverse for any pterosaur-bearing fluvial deposit and one of the most diverse of any pterosaur assemblage. The assemblage is heavily biased in terms of preservation with an as yet unexplained high abundance of jaw fragments. We highlight the importance of fragmentary material in pterosaur studies.

History

Citation

Smith, R.E., Ibrahim, N., Longrich, N. et al. The pterosaurs of the Cretaceous Kem Kem Group of Morocco. PalZ 97, 519–568 (2023)

Author affiliation

Centre for Palaeobiology and Biosphere Evolution and School of Museum Studies

Version

  • VoR (Version of Record)

Published in

Paläontologische Zeitschrift (PalZ)

Volume

97

Pagination

519–568

Publisher

Springer Science and Business Media LLC

issn

0031-0220

eissn

1867-6812

Acceptance date

2022-09-16

Copyright date

2023

Available date

2023-10-03

Language

en

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