. Bulletin of the British Museum (Natural History), Geology. CERTAIN TRIASSIC AND LIASSIC PHOLI DOPHO RID AE 413 n Opt ^'^ I I ifccofTi Pmx. Fig. 13. Pholidophoropsis caudalis (Woodward). Attempted restoration of head in lateral view. X5. Ang, angular ; Ant, antorbital; De. Spl, dentary ; Dpt, dermopterotic ; Ext, extrascapular ; Fr, frontal; Ifo^, Ifo^-IfOr,, infraorbitals i and 3 to 5 ; lop, interoperculum ; Mx, maxillary ; Na, nasal; Op, operculum ; Pa, parietal; Pmx, premaxillary ; Pop, preoperculum ; Ro, rostral; Smx^, Smx^, anterior and posterior supramaxillaries ; So, supraor
. Bulletin of the British Museum (Natural History), Geology. CERTAIN TRIASSIC AND LIASSIC PHOLI DOPHO RID AE 413 n Opt ^'^ I I ifccofTi Pmx. Fig. 13. Pholidophoropsis caudalis (Woodward). Attempted restoration of head in lateral view. X5. Ang, angular ; Ant, antorbital; De. Spl, dentary ; Dpt, dermopterotic ; Ext, extrascapular ; Fr, frontal; Ifo^, Ifo^-IfOr,, infraorbitals i and 3 to 5 ; lop, interoperculum ; Mx, maxillary ; Na, nasal; Op, operculum ; Pa, parietal; Pmx, premaxillary ; Pop, preoperculum ; Ro, rostral; Smx^, Smx^, anterior and posterior supramaxillaries ; So, supraorbital ; Sop, suboperculum ; ifc. com, ethmoidal commissure ; poc, preopercular sensory canal; s. com, supratemporal commissure ; soc, supraorbital sensory canal. The antorbital [Ant, PI. 13, figs. 1,2; Text-fig. 13) is present in and , but in both the postero-dorsal part is broken off. Judging from the last named specimen it seems, however, that the antorbital in this species is shorter than in Ph. cremilata. Infraorbital i [lachrymal) {Ifai, PI. 13, fig. 2 ; Text-fig. 13) can be traced in the holotype only, but the fragment gives no information as to the shape of the bone. Infraorbital 2 is missing in all the three specimens available. An infraorbital 3 (//Og, PI. 13, fig. 2 ; Text-fig. 13) is present in the holotype as well as in 39871. It has the ordinary shape with the antero-ventral margin slightly concave and the posterior margin rounded. Of the remaining bones in the infraorbital series, a small infraorbital 4 is present in the holotype (//04, PL 13, fig. 2). Two fragments in may represent infraorbitals 4 and Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)
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