Compare
to Snapping Turtle Skull
Dorsal View of Sea Turtle Skull 1. Premaxilla 2. Prefrontal 3. Frontal 4. Postorbital 5. Parietal 6. Squamosal 7. Supraoccipital 3 & 5 are part of the
Medial Series
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Ventral View of Sea Turtle Skull 1. Premaxilla 2. Vomer 3. Zygomatic
(jugal) 4. Parietal 5. Quadratojugal
1 & 15 are marginal bones.
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Side View
of Sea Turtle Skull
1. Premaxilla 2. Maxilla 3.
Vomer 4. Palatine 5. Zygomatic (jugal) 6. Postorbital
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Chondrocranium
of Sea Turtle
1. Postorbital 2. Parietal
3. Supraoccipital 4. Squamosal 5. Quadrate
The postorbital (1), parietal
(2), and squamosal (4) are not bones of the chondrocranium, but they are
easily seen from this view.
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Lower Jaw of Sea Turtle 1.Dentary 2. Angular 3. Surangular 4. Articular The dentary, angular, and surangular are dermal bones. The articular is endochondral bone.
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