Rarefossilshave been know to call on up in surprising locations . In addition to the fogey bed latterly unearthed from underSan Pedro High Schoolin California , another impressive fossil was lately identify at an Australian school — and it had been cover in plain sight for almost 20 years .   The findings were recently put out in the journalHistorical Biology .

According toPopular Science , the slab of ancient rock was donated to Biloela State High School in Queensland by a geologist who was working at a nearby coal mine . It finish up on display as a symbol of the domain ’s geology - focused account , and it remained there for about two decades . The school did n’t realize how special the rock’n’roll was until it get hold of professionals to take a closer looking at the specimen in 2021 .

After careful testing , Anthony Romilio , a fossilist from the University of Queensland ’s Dinosaur Lab , and colleagues determine the rock’n’roll was covered with 66 footprints from 47 case-by-case dinosaurs . That hit it one of highest concentrations of dinosaur footprints per hearty meter found on a fossil in Australia , as per the University of Queensland’snews release . Dr. Romilio states the three - toed prints in all likelihood belong toAnomoepus scambus , an ichnospecies from the Early Jurassic period of time ( about 200 million age ago ) . Its bantam leg only ranged between 15 and 50 centimeters ( about 5.9 and 19.7 in ) in duration . Dinosaurs with exchangeable feet were often herbivores with nozzle . They also tend to have stout build , little limb , farseeing ramification , and small heads .

The ‘school fossil boulder’ originating from Dunn Creek Mining Area, Callide, Queensland.

Dr. Romolio had previously worked on Mount Morgan ’s “ Dino Cave , ” another Australian land site covered in prehistoric step . ground on the fossil grounds , he concluded that some Australian dinosaurs may have had a raw crouch while walk . His findings get the center of Biloela State High School , which then contacted him with the goal of learning more about its own fogey .

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