Ancient croc kin likely food for largest ever snakeFebruary 3rd, 2010 - 3:56 pm ICT by IANS
Washington, Feb 3 (IANS) A 60-million-year-old croc kin was a likely food source for Titanoboa, the largest snake the world has ever known.
Working with scientists from the Smithsonian Tropical Research Institute in Panama, paleontologists from the Florida Museum of Natural History found fossils of the new species of ancient crocodile in the Cerrejon Formation in northern Colombia.
The site, one of the world’s largest open-pit coal mines, also yielded skeletons of the giant, boa constrictor-like Titanoboa, which measured up to 45 feet long. The study is the first report of a fossil crocodyliform from the same site.
“We’re starting to flesh out the fauna that we have from there,” said lead author Alex Hastings, a graduate student at the Florida Museum and University of Florida (UF) department of geological sciences.
Specimens used in the study show the new species, named Cerrejonisuchus improcerus, grew only six to seven feet long, making it easy prey for Titanoboa. Its scientific name means small crocodile from Cerrejon.
The findings follow another study by researchers at UF and the Smithsonian providing the first reliable evidence of what Neotropical rainforests looked like 60 million years ago.
While Cerrejonisuchus is not directly related to modern crocodiles, it played an important role in the early evolution of South American rainforest ecosystems, said Jonathan Bloch, a Florida Museum vertebrate paleontologist and associate curator, said a UF release.
The concept of ancient crocodyliforms as snake food has its parallel in the modern world, as anacondas have been documented consuming caimans in the Amazon. Given the ancient reptile’s size, it would have been no competition for Titanoboa, Hastings said.
These findings were published in the Journal of Vertebrate Paleontology.
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Tags: alex hastings, ancient reptile, associate curator, boa constrictor, coal mines, crocodyliforms, easy prey, florida museum of natural history, jonathan bloch, journal of vertebrate paleontology, largest snake, northern colombia, open pit coal, rainforest ecosystems, smithsonian tropical research institute, snake food, south american rainforest, tropical research institute, uf department, vertebrate paleontologist