Aynunah and Wadi Azlam (Cretaceous to of Saudi Arabia)

Where: Tabuk, Saudi Arabia (27.3° N, 35.7° E: paleocoordinates 9.7° N, 29.2° E)

• coordinate estimated from map

When: Adaffa Formation, Early/Lower Campanian to Early/Lower Campanian (83.5 - 66.0 Ma)

Environment/lithology: marginal marine; sandstone

• marginal marine conditions, probably linked to minor transgressive episodes
• thin limonitic beds towards the top of the main sandstone sequence

Size class: macrofossils

Collected by Saudi Geological Survey in 2004-2006

Primary reference: B. P. Kear, T. H. Rich, M. A. Ali, Y. A. Al-Mufarrih, A. H. Matiri, A. M. Masary, and Y. Attia. 2008. Late Cretaceous (Campanian–Maastrichtian) marine reptiles from the Adaffa Formation, NW Saudi Arabia. Geological Magazine 145(5):648-654 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116314: authorized by Philip Mannion, entered by Philip Mannion on 07.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Chelonia indet.
indeterminate shell fragments, including SGS 004-10
Reptilia
 Testudines - Bothremydidae
Bothremydidae indet. Baur 1891 sideneck turtle
SGS 006-84 (femur)
 Loricata -
Crocodyliformes indet. Hay 1930 crocodilian
SGS 004-32 (cranial fragment)
 Loricata - Dyrosauridae
Dyrosauridae indet. crocodilian
SGS 006-204 (cervical centrum) and SGS 006-16 (dorsal centrum)
 Squamata -
Varanoidea indet. Gray 1827 squamates
vertebrae, including SGS 004-70 (dorsal vertebra) - aquatic varanoids
 Squamata - Mosasauridae
Prognathodon sp. Dollo 1889 mosasaur
teeth and vertebrae, including SGS 006-217
Plioplatecarpinae indet. Dollo 1884 mosasaur
SGS 006-340 (dorsal vertebra)
 Sauropterygia - Elasmosauridae
Elasmosauridae indet. Cope 1869 elasmosaur
SGS 006-20 (rostral section of a small skull)