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New ancient crocodile species found in rock used to build Giza monuments
Researchers writing in Royal Society Open Science described a new crocodile species, Herugavialis cairensis, found in the Mokattam Formation, the rock used to build the Great Sphinx and Giza pyramids.
Why it matters
The find adds to knowledge of ancient reptile evolution in North Africa.
Background
The Mokattam Formation is a limestone deposit near Cairo formed from ancient marine sediments. It supplied stone for many of Egypt's famous monuments.
The story so far
- New ancient crocodile species found in Sphinx bedrock
- New ancient crocodile species found in rock used to build Giza monuments
Sources
- CNN ↗October 6, 2026
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