Placoganoidai or Placoganoidei: How To spell?
The word Placoganoidai is misspelled against Placoganoidei, a noun meaning "A division of ganoid fishes including those that have large external bony plates and a cartilaginous skeleton."
The word Placoganoidai is misspelled against Placoganoidei, a noun meaning "A division of ganoid fishes including those that have large external bony plates and a cartilaginous skeleton."