| 
Suborder:
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Paraceltitina 
 | 
| 
Superfamily:
 | 
Xenodiscoidea 
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| 
Family:
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Xenodiscidae 
 | 
| 
Genus:
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Tompophiceras 
 | 
| 
Species:
 | 
gerbaense | 
| 
Qualifier:
 | 
ss | 
| 
Author:
 | 
	Popov 1961,p.29	 
 | 
| 
Lower Boundary:
 | 
Permian--Triassic (Induan base), 251 million years
 
 | 
| 
Upper Boundary:
 | 
Griesbachian--Dienerian       [GRI--DIE], 250.3 million years
 
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