Spinosaurus mirabilis

Category: Science | Paleontology | Evolution

UPSC Notes

Spinosaurus mirabilis is a reported newly identified species of spinosaurid dinosaur associated with research on Cretaceous fossils from Niger in Africa. Its discovery has drawn attention to the diversity and geographical distribution of large predatory dinosaurs.

Spinosaurids are distinguished by elongated snouts and adaptations associated with feeding on fish and other prey. Their ecology and degree of aquatic adaptation remain subjects of scientific investigation.

Key Pointers

  • Group: Spinosauridae, a family of theropod dinosaurs.

  • Geological period: Cretaceous.

  • Region associated with the discovery: Niger, in West Africa.

  • Characteristic adaptations: Elongated snout and conical teeth in spinosaurids.

  • Scientific importance: Improves understanding of dinosaur diversity and evolutionary relationships.

  • Research methods: Fossil excavation, comparative anatomy and phylogenetic analysis.

  • Exam caution: Do not confuse this species with Spinosaurus aegyptiacus, the better-known North African spinosaur.

UPSC focus: Fossil evidence, evolution, geological time and scientific reconstruction of extinct species.