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Genetreta trilix, a Cambrian phosphatic brachiopod, is the subject of this three-dimensional musculoskeletal animation. The video illustrates simulated contraction and relaxation of the main muscle groups during valve opening, highlighting the geometry and spatial arrangement of the musculature relative to the shell. This model underpins analysis of microstructural biomechanics related to brachiopod diversification.
The dataset is a single video file (Movie S1) with no accompanying tabular data.