Scientists have named a new long-clawed dinosaur from a fossil that sat nearly a century in a London museum drawer, a tiger-sized predator they say would have chased people.
A piece of skull collected on England’s Isle of Wight in 1924 has been identified as a previously unknown species of meat-eating dinosaur, researchers report. The animal lived about 120 million years ago in the Early Cretaceous and belongs to the megaraptorans, a group of two-legged hunters known for oversized claws.
The new species is called Invictibellatrix amberina. Lead author Dr. Cassius Morrison of University College London and colleagues used a CT scan to build a 3D model of the fossilized braincase, then compared it with skulls from tyrannosaurs, spinosaurs, and other raptors. Distinct features pointed to a separate species, according to CBS News.
The specimen was one of roughly 1,000 fossils found by Reginald Walter Tooley. The Natural History Museum in London acquired it in 1924. It then sat in a drawer for nearly 100 years before the recent re-examination.
Morrison called the long delay hard to explain.
"real mystery that the fossil was overlooked for so long."
Researchers believe the animal measured between 10 and 13 feet long and stood almost 5 feet tall. Coverage has described it as a long-clawed predator about the size of a tiger. It ranks among the smallest and earliest known megaraptorans.
That size is the heart of the human comparison. Morrison said people would have fit the predator’s preferred prey range far better than they would have fit a full-grown Tyrannosaurus rex.
"We would have been perfectly sized prey, about a third of their body weight,"
He pressed the point further.
"They definitely would have chased us. A T. rex would not have bothered, as we would have been too small."
In plain terms, the claim is about body size and hunting incentives, not a claim that this animal shared a close family tree with T. rex in every detail. The work places it with megaraptorans after the skull comparison. The research article appeared in the journal Royal Society Open Science. A Natural History Museum press release has also summarized the find.
The timeline is straightforward. The dinosaur lived around 120 million years ago. Tooley collected the bone on the Isle of Wight, off England’s south coast, and the museum took possession in 1924. For decades the fragment stayed out of the spotlight. Only in the recent study did the CT scan and side-by-side skull work pull it into focus as a new species.
Artists Sergey Krasovskiy and Pedro Salas produced a rendition of the animal for the announcement. The public image is of a compact, clawed hunter rather than a movie-scale giant.
The team also attached a social message to the name. Researchers said the naming was meant to “give hope and strength to all those who are bullied, discriminated, victimized, and oppressed that tomorrow will be theirs and not to give up in the face of such odds.”
That is an unusual job description for a Cretaceous predator. The science still rests on the bone, the scan, and the comparative anatomy. The slogan sits on top of it.
What is solid: a braincase portion from the Isle of Wight, held since 1924, scanned and matched against other meat-eaters, and published as Invictibellatrix amberina. Size estimates land in the 10-to-13-foot range. Morrison’s prey-size comments are on the record.
What is not in the public summary: the exact list of unique skull traits, a specimen catalog number, absolute dates for the re-study beyond “recently,” and whether more bones from the same animal have been tied to the name. Those details may appear in the full journal paper; they were not laid out in the news account of the find.
Museums hold vast backlogs. A drawer can hide a type specimen for generations while fashion, funding, and methods change. CT scanning and digital comparison now make it cheaper to test old fragments against living research questions. In this case, the method turned a neglected chunk of bone into a named Early Cretaceous hunter.
Readers who like their dinosaurs without a lecture can stick to the claw length, the Isle of Wight locality, and the simple fact that a century-old fossil finally got a hard look. The animal did not need a cause. The bone did need a careful pass under modern tools.
A predator that size would have ruled its own patch of shoreline long before anyone argued over what to call it, and the fossil’s long nap in London is a reminder that evidence does not care about the calendar.
