TaxNo: 6074Family Shikhanitidae
| Suborder: |
Prolecanitina
|
| Superfamily: |
Medlicottioidea
|
| Family: | Shikhanitidae |
| Qualifier: | fy |
| Author: |
Ruzhencev 1951,p.98
|
| Valid: | Pronoritidae (Neopronoritinae) Weyer |
| Lower Boundary: |
Gzhelian--Asselian [C--P], 299 million years
|
| Upper Boundary: |
Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years
|