Extended Data Fig. 1 | Eriptychius PF 1795 shown in the context of the surrounding matrix. a,b, Tomograms showing sections through the part of the specimen preserved in the matrix. c–e, 3D render of the articulated Eriptychius specimen part preserved in epoxy relative to the matrix part,(c) in anatomical ventral view,(d) lateroventral view and (e) laterally with the matrix rendered transparent.Published as part of Dearden, Richard P., Lanzetti, Agnese, Giles, Sam, Johanson, Zerina, Jones, Andy S., Lautenschlager, Stephan, Randle, Emma & Sansom, Ivan J., 2023, The oldest three-dimensionally preserved vertebrate neurocranium, pp. 1-19 in Nature 2023 on page 8, DOI: 10.1038/s41586-023-06538-y, http://zenodo.org/record/836840