When these dinosaurs were alive, the Arabian landmass was largely underwater and formed the north - western coastal margin of the African continent. (sciencedaily.com)
At the time, these hydrocarbon - rich areas were marine coastal margins, where the productivity of marine algae was generally high and sedimentary rocks were thickly deposited. (sciencedaily.com)
The small, coastal margin communities were abandoned and activity was consolidated at the Marco Gonzalez site and, perhaps, the Basil Jones site. (ambergrisCaye.com)