| Suborder: |
Prolecanitina
|
| Superfamily: |
Medlicottioidea
|
| Family: |
Darvasiceratidae
|
| Genus: | Darvasiceras |
| Qualifier: | ge |
| Author: |
Leonova 1990,p.107
|
| Lower Boundary: |
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|
| Upper Boundary: |
UTX Kungurian/Leonardian base, 275.6 million years
|
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