The first known species — the enigmatic Labocania anomala — is known only from jaw bones discovered in Baja California. The Coahuila specimen in the new study, however, ...

In fact, the first, Labocania anomala, is known from just jaw bones! This new discovery includes more complete skeletal parts, making it a significant find for the region.

In any case, by the time you hit Mexico, records of tyrannosaurs are pretty spotty. So far, only one described species has been found in the country: Labocania anomala, in 1974 – and even now ...

“Labocania aguillonae”: a new type of Tyrannosaurus has been discovered. It is named after the first person to discover the remains of this dinosaur, the paleontologist Martha Aguillón.