Prefrontal bones are absent; post-frontals are possibly indicated by a frequently occurring separate centre of ossification in the postorbital process, to which the frontals always contribute. [Please select]
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Massive head with large concave frontals, surmounted in _G. [Please select]
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Only one pair of relatively large frontals have been observed; they are 5. [Please select]
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1 millimeter wide, lies between the frontals, midway between the anterior and posterior borders of these bones. [Please select]
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The suture between the nasals and frontals varies from V-shaped to truncate to W-shaped. [Please select]
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--From the median suture of the frontals, on the dorsal surface of the skull to the median suture of the palatines at the level of the first molar (not premolar). [Please select]
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When cattle become hornless, the frontal bones are "materially diminished in breadth towards the poll;" and the cavities between the bony plates "are not so deep, nor do they extend beyond the frontals." [Please select]
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