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Ghost Ranch

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Crocodile kin beats dinosaurs to beaked, two-legged form by 212 million years
science1 month ago

Crocodile kin beats dinosaurs to beaked, two-legged form by 212 million years

A new species, Labrujasuchus expectatus, from Ghost Ranch, NM, shows a two‑legged, toothless‑beaked crocodile relative that looked like a small theropod dinosaur but wasn’t a dinosaur. Dated to about 212 million years ago in the Late Triassic, it demonstrates convergent evolution—crocodile lineages and later dinosaurs independently arriving at a similar beaked, two-legged form under comparable ecological pressures. The find highlights how the crocodile branch explored a variety of body plans long before dinosaurs dominated the terrestrial fauna.

Triassic 'witch croc' from Ghost Ranch reveals a bipedal, toothless crocodile relative
science1 month ago

Triassic 'witch croc' from Ghost Ranch reveals a bipedal, toothless crocodile relative

A NHMLAC-led team describes Labrujasuchus expectatus, a beaked, toothless, bipedal crocodile-relative from the Late Triassic found at Ghost Ranch, New Mexico. Though its look mirrors dinosaurs, it’s still crocodile-line, illustrating convergent evolution and filling a gap between earlier and later shuvosaurs.

Ghost Ranch fossil gains a name, revealing a new Triassic crocodylomorph
science2 months ago

Ghost Ranch fossil gains a name, revealing a new Triassic crocodylomorph

A fossil from Ghost Ranch, New Mexico, has been identified as a new genus and species of crocodylomorph, Eosphorosuchus lacrimosa, dating to the Late Triassic. Discovered in 1948 and stored in the Peabody Museum basement for about 75 years, it was previously mislabeled as Hesperosuchus agilis. Detailed comparison revealed a shorter snout, a reinforced skull, and a powerful bite, suggesting distinct ecological niches for two crocodylomorphs coexisting in the same environment and underscoring early diversification of crocodile relatives.