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11 halosaurs and deep-sea spiny eels species
Notacanthus chemnitzii
Polyacanthonotus rissoanus
Notacanthus bonaparte
Lipogenys gillii
Aldrovandia rostrata
Halosaurus ovenii
Aldrovandia affinis
Aldrovandia gracilis
Aldrovandia phalacra
Halosauropsis macrochir
Halosaurus guentheri
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