Suborder:
|
Paraceltitina
|
Superfamily:
|
Xenodiscoidea
|
Family:
|
Xenodiscidae |
Qualifier:
|
fa |
Author:
|
Frech 1902,p.
|
Lower Boundary:
|
Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years
|
Upper Boundary:
|
Griesbachian--Dienerian [GRI--DIE], 250.3 million years
|