. Bulletin of the British Museum (Natural History), Geology. 4o6 CERTAIN TRIASSIC AND LIASSIC PHOLIDOPHO RI D AE ^^ Dpi Ext I Fr \ rs , soc '/" ; i usph I , I / I I. Fig. 12. Pholidophoroides limbata (Agassiz). Attempted restoration of head in lateral view. X4-2. Ang, angular; Ant, antorbital ; De. Spl, dentary; Dpt, dermopterotic ; Dsph, dermo- sphenotic ; Ext, extrascapular ; Fr, frontal; Ifoj-Ifo.,, infraorbitals i to 7 ; lop, inter- operculum ; Mx, maxillary ; Na, nasal; Op, operculum ; Pa, parietal; Pmx, premaxillary ; Pop, preoperculum ; Ro, rostral; Sbo, suborbital; " Sb
. Bulletin of the British Museum (Natural History), Geology. 4o6 CERTAIN TRIASSIC AND LIASSIC PHOLIDOPHO RI D AE ^^ Dpi Ext I Fr \ rs , soc '/" ; i usph I , I / I I. Fig. 12. Pholidophoroides limbata (Agassiz). Attempted restoration of head in lateral view. X4-2. Ang, angular; Ant, antorbital ; De. Spl, dentary; Dpt, dermopterotic ; Dsph, dermo- sphenotic ; Ext, extrascapular ; Fr, frontal; Ifoj-Ifo.,, infraorbitals i to 7 ; lop, inter- operculum ; Mx, maxillary ; Na, nasal; Op, operculum ; Pa, parietal; Pmx, premaxillary ; Pop, preoperculum ; Ro, rostral; Sbo, suborbital; " Sbo ", " accessory suborbital" ; Smx^, Smx^, anterior and posterior supramaxillaries; So, supraorbital; Sop, suboperculum ; ant. br, antorbital branch of infraorbital sensory canal; hc^, anterior division of supramaxillary pit-line ; ifc, infraorbital sensory canal ; ifc. com, ethmoidal commissure ; orp, postmaxillary pit-line ; orp^, oral pit-line ; poc, preopercular sensory canal ; soc, supraorbital sensory canal. The extrascapular {Ext, PL 12, fig. 3 ; Text-fig. 12) is as a rule very defective ; in specimen 38531, however, its lateral part is well exposed, its antero-lateral corner being rounded and its postero-lateral and postero-mesial margins almost straight. Dermal bones of cheek and opercular apparattis The maxillary [Mx, PL 11, figs, i, 2 ; PL 12, figs, i, 2 ; Text-fig. 12) is well pre- served in P. 1047 and 36472, its anterior, mesially directed part is, however, not entirely visible but seems to be rather low as in Ph. cremilata. The lateral, posteriorly. 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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