Science Advances

Supplementary Materials

The PDF file includes:

  • Fig. S1. Tristychius arcuatus, renderings of key specimens.
  • Fig. S2. Mandibular arch cartilages of T. arcuatus.
  • Fig. S3. Hyoid arch and pectoral girdle of T. arcuatus.
  • Fig. S4. T. arcuatus: physical model showing interconnected 3D four-bar linkages.
  • Fig. S5. The cranial skeleton of a juvenile Chiloscyllium punctatum reconstructed from high-resolution computed tomography.
  • Fig. S6. Conformations of the skull of T. arcuatus.
  • Fig. S7. Filtering the dataset of T. arcuatus cranial conformations.
  • Fig. S8. Morphospace for early gnathostomes relative to jaw measurement characters from Anderson et al. (36).
  • Fig. S9. Life restoration of T. arcuatus from the Viséan Wardie Shales of Edinburgh, Scotland.
  • Table S1. T. arcuatus specimens contributing to study.
  • Table S2. Measurements of oral volume (milliliters) from physical model of T. arcuatus.
  • Table S3. Additions to Anderson et al. (36) dataset of mandible metrics.
  • Legends for movies S1 to S6
  • References (6877)

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Other Supplementary Material for this manuscript includes the following:

  • Movie S1 (.mov format). Jaw and hyoid motion sequences modeled in caudal view.
  • Movie S2 (.mov format). Jaw and hyoid motion sequences modeled in cranial view.
  • Movie S3 (.mov format). Jaw and hyoid motion sequences modeled in dorsal view.
  • Movie S4 (.mov format). Jaw and hyoid motion sequences modeled in lateral view.
  • Movie S5 (.mov format). Jaw and hyoid motion sequences modeled in ventral view.
  • Movie S6 (.mp4 format). Animation of complete cranial to pectoral skeleton opening and closing jaws, ingesting prey.

Files in this Data Supplement: