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Figure 2. Holotype skull of
Goniodelphis
hudsoni
(a-c) and
Inia
geoffrensis
(d). a. Dorsal view, b.
Ventral view, c. detail of the palatal region, d. palatal region of
I. geoffrensis
for comparison with
G.
hudsoni
, see how the palatine bones contact in the midline of palate in the last one, but not in
Inia.
As.
Alisphenoid, Bo. Basioccipital, Fr. Frontal, Mx. Maxilla, Np. Narial passage, Pa. Palatine, Pg. Palatine
groove, Po. Postorbital process, Pt. Pterygoid, Pth. Pterygoid hamulus, Vo. Vomer.
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