FIELD E ; Taxonomy Code 

 Columns 18, 19, 20, 21, 

 22, 23, 24, and 25 



AA4 



AA502 



(X 



(X 



Heterodontiformes, order of superorder Selachoidei 



Cestraciontes, order of subclass Selachii 



Heterodontojdea, suborder of order Selachii (equals Heterodontiformes, order of 



superorder Selachoidei) 

 Heterodontoldei, suborder of order Heterodontiformes 

 Prosarthri, suborder of order Cestraciontes 



Heterodontidae, family of suborder Heterodontoldei or of suborder Heterodontoidea 

 Heterodontidae, family of suborder Prosarthri (equals Heterodontidae, family of 



suborder Heterodontoldei) 

 Hexanchiformes, order of superorder Selachoidei 

 Hexanchidae, family of order Hexanchiformes 



Notidanoidei (syn. Hexanchiformes, order of superorder Selachoidei) 

 Notidantoidea, suborder of order Selachii (equals Hexanchiformes, order of 



superorder Selachoidei) 

 Notidani, order of subclass Selachii 

 Opistharthri, suborder of order Notidani 

 Hexanchidae, family of suborder Opistharthri (equals Hexanchidae, family of order 



Hexanchiformes) 

 Lamniformes, order of superorder Selachoidei 

 Galeoidei (syn. Lamniformes, order of superorder Selacnoidei) 

 Lamnoidei, suborder of order Lamniformes 

 Lamnidae, family of suborder Lamnoidei 

 Galeoidea, suborder of order Selachii (equals Lamniformes, order of superorder 



Selachoidei) 

 Euselachii, order of subclass Selachii 

 Galei, suborder of order Euselachii 

 Lamnoidei, series of suborder Galei 

 Lamnidae, family of series Lamnoidei (equals family Lamnidae of suborder 



Lamnoidei) 

 Squaliformes, order of superorder Selachoidei 

 Squaloidea, suborder of order Selachii (equals Squaliformes, order of superorder 



Selachoidei) 

 Tectospondyli, order of subclass Selachii (syn. Squaliformes, order of superorder 



Selachoidei) 

 Squaloidei, suborder of order Squaliformes 

 Squaloidei, suborder of order Tectospondyli (equals Squaloidei, suborder of order 



Squaliformes) 

 Squatinoidei, suborder of order Squaliformes 

 Squatinoidei, suborder of order Tectospondyli (equals Squatinoidei, suborder of 



order Squaliformes) 

 Batoidei, superorder of subclass Selachii 



Hypotremata (syn. Batoidei, superorder of subclass Selachii) 

 Batoidei, order of subclass Selachii (equals Batoidei, superorder of subclass 



Selachii) 

 Hypotremata (syn. Batoidea, order of subclass Selachii) (equals Batoidei, 



superorder of subclass Selachii) 

 Batoidea, order of subclass Elasmobranchil (equals superorder of subclass 



Selachii) 

 Rajiformes, order of superorder Batoidei 

 Pristidae, family of order Rajiformes 

 Sarcura, suborder of order Batoidea (plus suborder Masticura equals order 



Rajiformes) 

 Pristidae, family of suborder Sarcura (equals Pristidae, family of order Rajiformes) 

 Masticura, suborder of order Batoidea (plus suborder Sarcura equals order 



Rajiformes) 

 Dasyatidae, family of suborder Masticura (equals Trygonidae, family of order 



Rajiformes) 

 Torpediniformes, order of superorder Batoidei 

 Torpedinidae, family of order Torpediniformes 

 Narcaciontes, suborder of order Batoidea (equals order Torpediniformes) 



45 - 



