FIGURE 4 in A new four-pored Amphisbaena Linnaeus, 1758 (Amphisbaenia, Amphisbaenidae) from Brazilian Amazon

FIGURE 4. Dorsal (top), lateral (middle) and ventral (bottom) views of the skull of Amphisbaena hoogmoedi sp. nov. (holotype, MZUSP 106219). app = apical process of parietal; an = angular; apsoc = ascendens process of supraoccipital; bh = basihyal; bo = basioccipital; cb1 = 1st ceratobranchial; cb2 = 2nd ceratobranchial; cpb = compound bone; co = columella; cp = choanal process; cr = coronoid; d = dentary; ecp = ectopterygoid; exc = extracolumella; f = frontal; Gf = Gasserian foramen; jf = jugal foramen; lc = longitudinal canal; m = maxilla; n = nasal; nf = nasal foramina; occ = occipital condyle; p = parietal; pbs = parabasisphenoid; pl = palatine; pm = premaxilla; pop = paroccipital process; prf = prefrontal; pt = pterygoid; pyr = piriform recess; q = quadrate; sa = suprangular; soc = supraoccipital; ts = tabulosphenoid; v = vomer; x = element-x.