Classification of Fishes 759 
Order TECTOSPONDYLI (SQUALOIDEI)—Continued 
Squatinide (Angel-sharks) 
Pristiophoride (Saw-sharks) 
Order BATOIDEI (HYPOTREMA) 
Pristidz (Sawfishes) 
Rhinobatide (Guitar-fishes) 
Rajide (Skates) 
Narcobatide (Torpedoes) 
Petalodontide 
Pristodontide 
Dasyatide (Sting-rays) 
Aétobatide (Eagle-rays) 
Psammodontide 
Mobulide (Devil-rays) 
Subclass HOLOCEPHALI 
Order CHIM/EROIDEI 
Chimeride (Chimeras) 
Rhinochimeride 
Callorhynchide (Bottle-nose Chimeras) 
Ptyctodontide 
Squalorajide 
_ Myriacanthide 
Class OSTRACOPHORI 
Order HETEROSTRACI 
Thelodontide 
Psammosteide 
Drepanas pide 
Pteras pide 
Order OSTEOST RACI 
Cephalas pide 
Thyestide 
Odontodontide 
Order ANTIARCHA 
Asterolepide 
Order ANASPIDA 
Birkeniide 
Class TELEOSTOMI 
Subclass CROSSOPTERYGII 
Order HAPLISTIA 
Tarrasstide 
