Boyer diss 2009 1046..

Boyer diss 2009 1046.. Boyer diss 2009 1046..

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Figure 2.33 160

Figure 2.33. UMMZ 58983 Tupaia glis (A, B, B’): A, ventral view of skull. B, inset of right basicranium. B’, enlargement of inset B. SBU coll. Tupaia glis (C, D, D’): C, ventral view of right basicranium. D, inset of suture in right basicranium. D’, enlargement of inset D. Note that ear morphology of this taxon is generally similar to that in Sciurus (Fig. 2.35). Medial process of petrosal is not well-developed, however, rostral process just anterior to where medial process would be located is present and dorsally buttresses lamina of entotympanic bone that lies ventral to it. Numbers and abbreviations: bs – bullar suture; Boc – basioccipital; Bul – auditory bulla; Ent – entotympanic; Ect – ectotympanic; ips – inferior petrosal sinus; pcf – posterior carotid foramen; rtp – rostral process of petrosal. 161

Figure 2.33. UMMZ 58983 Tupaia glis (A, B, B’): A, ventral view of skull. B, inset of<br />

right basicranium. B’, enlargement of inset B. SBU coll. Tupaia glis (C, D, D’): C,<br />

ventral view of right basicranium. D, inset of suture in right basicranium. D’,<br />

enlargement of inset D. Note that ear morphology of this taxon is generally similar to that<br />

in Sciurus (Fig. 2.35). Medial process of petrosal is not well-developed, however, rostral<br />

process just anterior to where medial process would be located is present and dorsally<br />

buttresses lamina of entotympanic bone that lies ventral to it. Numbers and abbreviations:<br />

bs – bullar suture; Boc – basioccipital; Bul – auditory bulla; Ent – entotympanic; Ect –<br />

ectotympanic; ips – inferior petrosal sinus; pcf – posterior carotid foramen; rtp – rostral<br />

process of petrosal.<br />

161

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