Fossils of Sigilmassasaurus were recovered at the Kem Kem Formation in the Tafilalt Oasis region of Morocco, near the site of the ancient city of Sijilmassa, for which it was named.
Fossils of Sigilmassasaurus were unearthed at the Kem Kem Formation in the Tafilalt Oasis region of Morocco, close to the site of the ancient city of Sijilmassa, where it was named.