Suborder:
|
Paraceltitina
|
Superfamily:
|
Xenodiscoidea
|
Family:
|
Xenodiscidae
|
Genus:
|
Xenodiscus
|
Species:
|
carbonarius+ |
Qualifier:
|
ss |
Author:
|
Waagen 1872,p.355
|
Lower Boundary:
|
PAK Chhidru Fm. base, 260.4 million years
|
Upper Boundary:
|
PAK Chhidru Fm. top, 253 million years
|