Illustration showing Tanyka amnicola in life, eating underwater plants. (Vitor Silva via SWNS)
The remains of a "weird" creature with a twisted jaw and sideways-facing teeth have been discovered in the Amazon jungle.
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Tanyka jawbone, with rock hammer for scale, found in the Brazil. (Dr. Ken Angielczyk / Field Museum via SWNS)
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Illustration showing Tanyka amnicola in life, eating underwater plants. (Vitor Silva via SWNS)
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Fossil showing the denticles on the jaw, forming a cheese-grater-like surface that may have been used for grinding plant matter. (Dr. Ken Angielczyk / Field Museum via SWNS)
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