#pristiorajea
Pristiorajea
Clade of cartilaginous fishes
Pristiorajea is a defunct clade of chondrichthyans containing the sawsharks (Pristiophoriformes) and rays. It is sister to the Squatiniformes and shares a common ancestry with the Squaliformes. However, phylogenetic evidence supports rays and sharks as being monophyletic groupings and distinct from one another.
Sun 12th
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