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New Ichthyosaur Species 'Sword Dragon of Dorset' Identified From Near-Complete Jurassic Coast Skeleton

Exceptional preservation reveals unique anatomy that refines the timeline of a major ichthyosaur turnover.

Overview

  • Researchers formally named the species Xiphodracon goldencapensis in a paper published October 10 in Papers in Palaeontology, led by Dean Lomax with Judy Massare and Erin Maxwell.
  • The near-complete fossil was discovered in 2001 at Golden Cap on Dorset’s Jurassic Coast by collector Chris Moore and later entered the Royal Ontario Museum collection.
  • Three‑dimensional preservation includes a skull with a huge eye socket, a long sword‑like snout and needle‑like teeth, plus a previously unrecorded prong‑bearing lacrimal bone.
  • At roughly three meters long, the specimen likely preyed on fish and squid, with a dark rib‑cage mass interpreted as possible stomach contents from the Pliensbachian interval.
  • Pathologies in limb bones and teeth and bite damage to the skull point to injury in life and probable death from a larger ichthyosaur, and the ROM plans to put the skeleton on display.