| Suborder: |
Prolecanitina
|
| Superfamily: |
Medlicottioidea
|
| Family: |
Pronoritidae
|
| Subfamily: |
Pronoritinae
|
| Genus: |
Stenopronorites
|
| Species: | takahashii |
| Qualifier: | ss |
| Author: |
Nishida et al. 1998,p.18
|
| Lower Boundary: |
Pseudostafella antiqua base, 310.6 million years
|
| Upper Boundary: |
Pseudofusulinella hidensis Z. top, 308 million years
|
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