Assertion: human's skull | /r/Synonym | arago xxi
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Source sentences:
text: A skull known as Arago XXI is the most-complete Homo heidelbergensis cranial fossil discovered, lacking only occipital bones; this specimen has revealed that the Broca's cap and other speech areas were well-developed, evidence of an extensive right parietal association area, presence of marked parietal boss, presence of an angular torus, lacking frontal boss, a deep supraorbital sulcus, and a shift from the widest part of the brain case from the cranial base to the parietal regions (de Lumley & de Lumley 1974).