This bizarre crocodile relative from the Triassic looked like an ostrich dinosaur
Scientists have discovered Labrujasuchus expectatus, a bizarre crocodile relative that looked more like an ostrich-like dinosaur than anything resembling a modern crocodile. It walked on two legs, ha…
Scientists have discovered Labrujasuchus expectatus, a bizarre crocodile relative that looked more like an ostrich-like dinosaur than anything resembl
Read Full Story at Science Daily →Why This Matters
The discovery of *Labrujasuchus expectatus* forces a reconsideration of what "crocodilian" evolution looked like in the Triassic, shattering the assumption that early relatives of modern crocodiles were uniformly sprawling, aquatic predators. Its bipedal, ostrich-like adaptations suggest a previously unrecognized ecological diversity among archosaurs, hinting at rapid evolutionary experimentation that predates the rise of dinosaurs.
Background Context
Before the Jurassic, the Triassic was a period of intense evolutionary trial and error, where reptiles experimented with body plans that would later define dinosaurs, pterosaurs, and crocodilians. Fossil gaps in this era often leave key transitional forms missing—until discoveries like *Labrujasuchus* reveal how these lineages diverged in ways that defy modern classifications.
What Happens Next
Paleontologists will likely re-examine Triassic fossil beds for similar bipedal crocodilian relatives, potentially uncovering more examples of this unexpected morphology. If confirmed, this finding could prompt revisions to the evolutionary tree of archosaurs, particularly around the origins of dinosaurs themselves.
Bigger Picture
This discovery underscores how the Mesozoic was not a static era of preordained dinosaurs but a dynamic playground of evolutionary tinkering, where lineages we now associate with single niches once explored wildly divergent adaptations. It also serves as a reminder of how incomplete the fossil record remains—each new specimen has the potential to rewrite long-held assumptions.
