Polypterus Skull
“Lower aspect of the primordial cranium, with the membrane-bones removed. An, angular; ao, anteorbital; Ar, articulary; B, basal; D, dentary; E, ethmoid; F, frontal; Ma, mastoid; Mp, metapterygold; Mx, maxillary; N, nasal; O, operculum; Oc, occipital; Pa, parietal; Pl, palatine; Pmx, premaxillary; po, postorbital; Prf, prefrontal; Pt, post-temporals; Ptf, postfrontal; Ptr, pterygold; Q, quadrate; S, suspensorium; So, suboperculum; Sp, sphenold; Spl, splenial; St, supratemporals; T, tympanic lamina; Tu, turbinal; v, vomer; x x, small ossicles; x’ x’, spiraculars.” — Encyclopedia Britannica, 1893
Keywords
skull, cranium, frontal, basal, Primordial, mastoid, maxillary, Polypterus, Anteorbital, Articulary, Dentary, Ethmold, MetapterygoldGalleries
Fish AnatomySource
The Encyclopedia Britannica, New Warner Edition (New York, NY: The Werner Company, 1893)
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