Klaserie River Sands

Mega-carnivore dinosaur footprints discovered

Footprint of a massive dinosaur discovered in Lesotho

Kayentapus ambrokholohali footprints belong to an animal of about 26 feet long, dwarfing all the life around it. Image © L. Sciscio , E. M. Bordy, M. Abrahams, F. Knoll, B. W. McPhee

An international team of researchers from South Africa, UK, and Brazil have discovered massive footprints belonging to a carnivorous dinosaur that roamed Southern Africa 200 million years ago.

In a paper published last week on PLOS One, the dinosaur has been classified informally as a ‘megatheropod’, and is called Kayentapus ambrokholohali – thought to be a relative of the Tyrannosaurus rex.

Researcher lying next to dinosaur footprint

UCT PhD student Miengah Abrahams (1.6 metres tall) lies next to the megatheropod tracks found in western Lesotho © UCT

Led by scientists from the University of Cape Town (UCT), the team discovered the footprints in western Lesotho. The footprints measure 57cm long and 50cm wide.

With these measurements, the team believes the dinosaur was at least nine metres long and had a hip height of almost three metres, making this the largest therapod tracks during this time period ever found in Africa .

Estimated size of a megatheropod dinosaur

Estimated size of the megatheropod based on the footprints. Theropod image adapted, with permission, from Scott Hartman © UCT / Scott Hartman

According to the statement released by UCT, around the time that this dinosaur roamed the earth (early Jurassic period), the other carnivores (therapods) were “usually small” and were only around three to five metres in body length.

This means that this megatheropod “would have roamed a landscape otherwise dominated by much smaller carnivorous dinosaurs and a variety of herbivorous and omnivorous dinosaurs”. The statement adds that because large forms of theropods only started to appear about 120 million years later – during the Late Jurassic period – that this new discovery of this megatheropod is more “scientifically impactful”.

Megatheropod dinosaur tracks

False-colour depth analysis of tracks. Image © L. Sciscio , E. M. Bordy, M. Abrahams, F. Knoll, B. W. McPhee

The full report: PLOS ONEL. Sciscio, E. M. Bordy, M. Abrahams, F. Knoll, B. W. McPhee: “The first megatheropod tracks from the Lower Jurassic upper Elliot Formation, Karoo Basin, Lesotho

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