760 Classification of Fishes 
Order RHIPIDISTIA 
Holoptychiide 
Megalichthyide 
Osteolepide 
Onychodontide 
Order ACTINISTIA 
Celacanthide 
Order CLADISTIA 
Polypteridz (Bichirs) 
Subclass DIPNEUSTI 
Series SIRENOIDEA 
Order CTENODIPTERINI 
Uronemide 
Dipteride 
Ctenodontide 
Order SIRENOIDEI 
Ceratodontidze (Barramundas) 
Lepidosirenidz (Loalaches) 
Series ARTHRODIRA 
Order STEGOPHTHALAMI 
Macro petalichthyide 
A sterosteida 
Order TEMNOTHORACI 
Chelonichthyide 
Order ARTH ROTHORACI 
Coccosteide 
Dinichthyide 
Titanichthyide 
M ylostomide 
Selenosteide 
Order CYCLIA 
Palos pondylide 
Subclass ACTINOPTERI 
Series GANOIDEI 
Order LYSOPTERI 
Paleoniscide 
Platysomide 
Dorypteride 
Dictyopygide 
Order CHONDROSTEI 
Chondrosteide 
