Fig. 3: Ventral portion of the hyoid arch and gill skeleton of Youngolepis praecursor.

a Virtual rendering of V28375 in dorsal view. b Interpretive drawing of V28375 in dorsal view. c Virtual rendering of V28375 in ventral view. d Virtual rendering of V28375 in antero-dorsal-lateral view. e Virtual rendering of V28375 in lateral view. f Virtual rendering of V28376 in dorsal view. bb1.a anterior half of basibranchial 1, bb1.p posterior half of basibranchial 1, bb2 basibranchial 2, bb.tp basibranchial toothplate, bb.tp.fo fossa for the basibranchial toothplate, cbr1–4 ceratobranchials 1–4, chy ceratohyal, ebr1–4 epibranchials 1–4, hbr1–4 hypobranchials 1–4, hbr1–4.fo fossae accommodating hypobranchials 1–4, hhy hypohyal, hhy.fo two fossae accommodating the hypohyals, uhy urohyal, uhy.d depression for articulation with urohyal.