English: Websteroprion armstrongi CT-scanning reconstructions of specimens detected on (n,o) and concealed within (remaining figures) slab ROM 63120; (a–d) Laterally strongly compressed left MII in (a) left lateral, (b) right lateral, (c) ventral, (d) dorsal view; (e–h) Right MII (posteriormost tip might be missing) in (e) dorsal, (f) ventral, (g) left lateral, (h) right lateral view; (i–l) Lateral or intercalary tooth in different views; (m) Right MII (same specimen as in (e–h)) on top of unknown element and an anterior right maxilla; (n) Left MI in ventral view (same specimen as in Fig. 1l); (o) Right MI in ventro-lateral view (same specimen as in Fig. 1k); (p) Right MI (same specimen as in (o)) and left MII (same specimen as in (a–d)); (q) Right MI in dorsal view. Scale bars 1 mm.