is a specific kind of: teleost, teleost fish, teleostan.

is a broader term that covers: Amia calva, bowfin, dogfish, grindle | duckbill, paddlefish, Polyodon spathula | Chinese paddlefish, Psephurus gladis | sturgeon | billfish, gar, garfish, garpike, Lepisosteus osseus.

is a member of: Ganoidei, order Ganoidei.