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A University of Bath paleontologist studying fossils that had been kept in a museum in Canada for over 75 years has discovered a new species of dinosaur.

Dr Nick Longrich studied the fossilised bones of two horned dinosaurs from the ceratopsian family and found that they were in fact two previously unknown species, known as Pentaceratops "but as I got into the fine subtle details of the frill structure I named it a new species Pentaceratops aquilonius".

He described the new species as looking like a horned dinosaur a little like a rhinoceros with four legs, a beak to chew plants, a frill sticking off the back with a number of hornlets around the edge of the frill.

Responding to Justin Webb's suggestion it feels like there is a new dinosaur discovered on this programme every week: "There's a pretty rapid pace of discovery, there's a lot of dinosaurs species out there and we're starting to realise that".