New dinosaur discovered in Sahara desert was a horned ‘hell heron’
Popular Science
by Andrew PaulFebruary 19, 2026
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A newly discovered dinosaur species, *Spinosaurus mirabilis*, has been unearthed in the Sahara desert, offering fresh insights into the evolution of Spinosaurid dinosaurs. This horned predator, measuring 20 inches long, features a distinctive scimitar-shaped crest on its head, making it instantly recognizable. Unlike its relatives typically found near ancient marine deposits, *S. mirabilis* was discovered inland in Niger, suggesting it thrived in a forested region crisscrossed by rivers and waterways.
The discovery challenges previous theories about Spinosaurids' habitats and hunting strategies. While many species were thought to primarily inhabit marine environments, *S. mirabilis* lived far from the coast, indicating an adaptation to freshwater ecosystems. Paul Serano, co-author of the study, describes the dinosaur as a "hell heron," envisioning it stalking fish in shallow waters with its specialized jaws—a unique trait among dinosaurs.
The fossil evidence reveals that *S. mirabilis*'s teeth and jaw structure were adapted for trapping fish, similar to modern crocodiles. This adaptation, along with its crest's probable colorful display, highlights an evolutionary divergence from other Spinosaurids. The discovery not only enriches our understanding of dinosaur diversity but also raises new questions about the Cretaceous ecosystem dynamics.
This find underscores the importance of exploring remote and diverse regions for fossil discoveries, as *S. mirabilis* challenges existing theories and opens doors to further research. Its inland habitat and unique anatomical features provide a fresh perspective on Spinosaurid evolution, making it a significant addition to our knowledge of ancient life.
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Originally published on Popular Science on 2/19/2026