A new study employs biomechanical modeling to challenge old beliefs about one of Earth's earliest apex predators, Anomalocaris canadensis.
Significantly, A. canadensis has been viewed as the cause behind damaged trilobite exoskeletons discovered by paleontologists in fossils.
Recent research on the armored, ring-shaped mouthparts of A. canadensis casts doubt on its capacity to process hard food. With this in mind, the new study explored whether the predator's long, spiny front appendages might have played that role instead.An international team of scientists from Germany, China, Switzerland, the United Kingdom, and Australia constructed a 3D model of A. canadensis to begin their research.
Contrary to earlier assumptions, this ancient creature was probably a swift swimmer, zipping through the water with its front appendages stretched out in pursuit of soft prey within the water column.
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