What extinct order does the unique dental armature of Pelagornis define?
Answer
Pelagornithiformes
The presence of the unique dental armature, characterized by the sharp, bony outgrowths covering the jaw margins, is the defining anatomical feature that classifies Pelagornis into its specific extinct taxonomic group. This entire order of large, ancient seabirds is known as the Pelagornithiformes. The possession of these pseudoteeth, which birds evolved long after losing true teeth, is the key characteristic used by scientists to group this lineage together, distinguishing them clearly from modern bird orders.
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