TaxNo: 5983Aldanoceras tenue+
| Suborder: |
Paraceltitina
|
| Superfamily: |
Xenodiscoidea
|
| Family: |
Xenodiscidae
|
| Genus: |
Aldanoceras
|
| Species: | tenue+ |
| Qualifier: | ss |
| Author: |
Dagis & Ermakova 1996,p.405
|
| Lower Boundary: |
Permian--Triassic (Induan base), 251 million years
|
| Upper Boundary: |
Griesbachian--Dienerian [GRI--DIE], 250.3 million years
|