Overview
- Researchers formally described the species in The Anatomical Record based on postcranial remains from southwestern Britain.
- The animal was a lightly built, upright terrestrial runner with long, slender limbs rather than a semi-aquatic ambusher.
- The holotype was collected in 1969 at Cromhall Quarry in Gloucestershire from Late Triassic fissure deposits near the Bristol Channel.
- CT scans, digital reconstruction, and a roughly 40-species dataset supported recognition of 13 diagnostic differences in features such as the wrists, forelimbs, and ankles.
- The genus name nods to Sir Galahad for its erect posture, the species honors Welsh teacher David Rhys Jones, and the find refines views of ecosystems on the eve of the Triassic–Jurassic extinction.