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Suborder:
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Paraceltitina 
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| 
Superfamily:
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Xenodiscoidea 
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Family:
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Xenodiscidae 
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Genus:
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Xenodiscus 
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| 
Species:
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sp. | 
| 
Qualifier:
 | 
in | 
| 
Author:
 | 
	Waterhouse 1964,p.149	 
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| 
Lower Boundary:
 | 
PAK Chhidru Fm. base, 260.4 million years
 
 | 
| 
Upper Boundary:
 | 
PAK Chhidru Fm. top, 253 million years
 
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