| Suborder: |
Anarcestina
|
| Superfamily: |
Beloceratoidea
|
| Family: |
Gephuroceratidae
|
| Subfamily: |
Gephuroceratinae
|
| Genus: |
Maternoceras
|
| Species: | pedderi |
| Qualifier: | ss |
| Author: |
House 1963,p.18
|
| Lower Boundary: |
UD1E--UD1F:P.luth.--P.alveolatus [02,30], 381.1 million years
|
| Upper Boundary: |
UD1J--UD1K:paradox.--A.varicosum [04,85], 376.9 million years
|
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