Extended Data Fig. 3: Anatomy of Funcusvermis gilmorei based on reconstructed 3D surface meshes from segmented micro-computed tomographic scan data.

a–c, Referred left pseudoangular (PEFO 46480) in ventral, lateral, and posterior views. e–i, Holotype right pseudodentary (PEFO 43891) in medial, anteromedial, anterior, ventral, dorsal, and anterolateral views. j–l, Paratype right pseudodentary (PEFO 46284) in medial, dorsal, and lateral views. m–o, Paratype right pseudodentary (PEFO 45800) in dorsal, medial, and lateral views. p, Paratype right pseudodentary (PEFO 46284) and referred left pseudoangular (PEFO 46480) with yellow arrows showing matching facet surfaces and neurovascular canals. q–u, Referred postatlantal vertebra (PEFO 45810) in dorsal, ventral, right lateral, anterior, and posterior views. v–y, Referred right femur (PEFO 43811) in dorsal, ventrolateral, lateral, and proximal views. abcnV, alveolar branch cranial nerve V; adtr, adsymphyseal tooth row; aeecnV, anterior exit external branch of cranial nerve V; c, centrum; cnVII, cranial nerve VII insertion; dp, diapophysis; dpaf, dorsal pseudoangular facet; dpdf, dorsal pseudodentary facet; dtr, dentary tooth row; ebcnV, external branch cranial nerve V; fh, femoral head; lasdg, labial subdental groove; ld, lateral depression; lecnV, lateral exit cranial nerve V; lisdg, lingual subdental groove; mf, medial fossa; mkv; midventral keel; ms, mandibular symphysis; mt, medial trochanter; na, neural arch; nc, neural canal; p, pit; paaspd, pseudoangular attachment surface of the pseudodentary; pap, posterior pseudoangular process; pdaspa, pseudodentary attachment surface of the pseudoangular; peecnV, posterior exit external branch cranial nerve V; poz, postzygapophysis; prez, prezygapophysis; ptadtr, posterior terminus adsymphyseal tooth row; ptdtr, posterior terminus dentary tooth row; sf, symphyseal foramen; sp, symphyseal prongs; vpaf, ventral pseudoangular facet; vpdf, ventral pseudodentary facet. Arrows point in anterior direction. Scale bars equal 1 mm.