| 
Suborder:
 | 
Tornoceratina 
 | 
| 
Superfamily:
 | 
Dimeroceratoidea 
 | 
| 
Family:
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Prolobitidae 
 | 
| 
Genus:
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Prolobites 
 | 
| 
Species:
 | 
oxyphyllus | 
| 
Qualifier:
 | 
sy | 
| 
Author:
 | 
	Lange 1929,p.56	 
 | 
| 
Valid:
 | 
Prolobites delphinus (Sdb. & Sdb. 1853) | 
| 
Lower Boundary:
 | 
UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
 
 | 
| 
Upper Boundary:
 | 
P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
 
 |