Yale researchers have identified a new species of ancient crocodile relative from a fossil hidden in plain sight for nearly 80 years. Named Eosphorosuchus lacrimosa, this jackal-sized predator lived 210 million years ago and had unique features adapted for hunting larger prey.
- New crocodile relative named Eosphorosuchus lacrimosa identified
- Fossil was excavated in 1948 but analyzed only recently
- Discovery reveals predator diversity in the late Triassic period
What happened
Researchers at Yale examined a fossil that had lain largely unstudied for almost eight decades. This specimen, from Ghost Ranch in New Mexico, preserves two early crocodile relatives that lived side by side around 210 million years ago during the late Triassic period. While one animal was already known, the other showed distinct physical traits leading to its recognition as a new species.
Named Eosphorosuchus lacrimosa, this predator was about the size of a modern jackal and had a shorter snout with a reinforced skull and strong jaw muscles. These adaptations likely allowed it to tackle larger prey than its counterpart, Hesperosuchus agilis, which had a longer snout and was built for speed. Both creatures died simultaneously, probably due to a sudden flooding or mudslide event, which contributed to their exceptional preservation.
Why it feels good
Discoveries like this deepen our understanding of prehistoric life, revealing how diverse early crocodile relatives really were. Unlike today’s mostly aquatic crocodilians, many of these ancient forms were adapted for fast land hunting, expanding the picture of reptile evolution during the Age of Reptiles.
It’s also a reminder of the value of revisiting old collections with new technology. The use of CT scanning allowed scientists to peer inside the fossil without damage, uncovering unique features that had gone unnoticed for decades. This approach helps unlock stories hidden beneath the surface and inspires optimism about what other discoveries might still be waiting in museum archives.
What to enjoy or watch next
The Ghost Ranch site, famous for its rich Late Triassic fossil beds, continues to be a treasure trove for paleontologists and dinosaur enthusiasts. Exploring findings from this location can offer a broader view of early dinosaur and crocodile evolution and ancient ecosystems undergoing rapid change.
For those fascinated by ancient predators, following upcoming research on Eosphorosuchus lacrimosa and related species could provide exciting updates. Documentaries or exhibits highlighting the use of modern imaging technology to study fossils could also offer a captivating look at how science is turning old rocks into new stories.