Back to today’s briefing

Story perspectives

New Dinosaur Species Discovered: Istiorachis macarthurae!

8/25/2025

32 5

Summary

Story summary

A new dinosaur species, Istiorachis macarthurae, was discovered on the Isle of Wight, dating back 125 million years.
It features elongated neural spines, possibly supporting a sail-like structure for social or mating purposes.
The research highlights the need to reevaluate museum specimens for paleontological progress.
Findings published in Papers in Palaeontology contribute to the understanding of dinosaur evolution.

1 of 1

Story summary

A new dinosaur species, Istiorachis macarthurae, was discovered on the Isle of Wight, dating back 125 million years.
It features elongated neural spines, possibly supporting a sail-like structure for social or mating purposes.
The research highlights the need to reevaluate museum specimens for paleontological progress.
Findings published in Papers in Palaeontology contribute to the understanding of dinosaur evolution.