Creationism Refuted - By Newts!

Tiny but feisty prehistoric wesserpeton amphibian discovered - Nature - Environment - The Independent.

Can it get any worse for Creationists? The last couple of weeks have seen evidence of a transitional species between chimpanzees and humans in the earliest known human ancestor, evidence lining up the fossil record with the molecular evidence of a split between apes and monkeys in Africa about 26-27 million years ago, and evidence that humans were establishes in South American by at least 20,000 BCE. Now comes news that another transitional fossil has been found, this time transitional between two early groups of amphibians.

This news comes from two researchers at the University of Southampton, England, Steven C. Sweetman and James D. Gardner, who have been studying numerous specimens of wesserpeton, a tiny newt-like amphibian whose fossils are found on the Isle of Wight, just off the south coast of England. The Isle of Wight is famous for it's fossils of dinosaurs and forms part of the so-called 'Cambrian Coast' which includes the cliffs at Lyme Regis, Dorset, where the first complete ichthyosaur fossil was found by Mary Anning. The Isle of Wight has been nicknamed 'Dinosaur Island' because of the abundance of these fossils in the chalk and limestone deposits of which it is composed.

As reporter, Ben Mitchell of The Independent said:

The discovery of the wesserpeton fills a gap in the evolutionary history of a now-extinct group, the albanerpetontids, according to researchers at the University of Portsmouth.

The amphibian, nicknamed "Wessie", was about the size of a small, modern-day newt and unlike most amphibians, albanerpetontids had a scaly skin and eyelids, showing that they spent most of their time on land. Details of the skeleton also suggest that they were well adapted to burrowing.

The creature lived on the Isle of Wight, which has gained the nickname Dinosaur Island because of the number of fossils found there, about 130 million years ago during the early cretaceous period, at the same time as dinosaurs such as neovenator, iguanodon and giant, long-necked sauropods.

The researchers believe that broken but healed jaws among the bones suggest Wessie was a feisty creature. Like some modern-day salamanders, it probably engaged in fierce battles for mates and territory and sharp chisel-like teeth indicate that it was a predator.

Steve Sweetman, of the university's School of Earth and Environmental Sciences, said: "When I started looking for the little animals that lived with the dinosaurs, a Wessie jaw was the first thing I found and I can still remember how excited I was. I also remember thinking that 'albanerpetontid' was a heck of a mouthful for such a tiny creature.

"Of the 50 or so new four-legged animals I have now found, Wessie bones are the most common and it was clearly well adapted to the ancient floodplain environment in which it lived."

The researchers have no complete skeletons of Wessie but they have a large number of isolated bones representing almost all parts of the animal.

Dr Sweetman and his co-author, Jim Gardner of the Royal Tyrrell Museum of Palaeontology, Canada, named the animal wesserpeton because its bones come from rocks known as the Wessex Formation.

The discovery of Wessie neatly fills an evolutionary gap. Albanerpetontids are first found in rocks of middle jurassic age and their last occurrence is in the late pliocene.

During this period of more than 165 million years, skull bones known as frontals gradually changed from bell-shaped to triangular. Until now, part of this transition was missing from the fossil record.

Dr Sweetman said: "Until the discovery of wesserpeton, there appeared to be an abrupt transition from the more primitive elongated and bell-shaped frontals of the early albanerpetontids to the triangle-shaped frontals of later forms. The frontals of wesserpeton are elongated but they are also triangular, neatly filling the gap between the two."

Source: The Independent; Ben Mitchell, 29-May-2013

So here we have a new 'transitional' fossil to add to the list, much to the chagrin of Creationists no doubt. I wonder how their pseudo-scientists are going to explain this one away, assuming they don't do the usual hand-over-the-eyes approach to evidence and ignore it altogether, knowing full well that most of their target market will be doing likewise.

Reference:

A new albanerpetontid amphibian from the Barremian (Early Cretaceous) Wessex Formation of the Isle of Wight, southern England; Steven C. Sweetman and James D. Gardner
Acta Palaeontologica Polonica 58 (2), 2013: 295-324 doi: http://dx.doi.org/10.4202/app.2011.0109

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