| Suborder: |
Goniatitina
|
| Superfamily: |
Neoglyphioceratoidea
|
| Family: |
Cravenoceratidae
|
| Subfamily: |
Cravenoceratinae
|
| Genus: |
Lyrogoniatites
|
| Species: | tener |
| Qualifier: | ss |
| Author: |
Ruzhencev & Bog. 1971,p.277
|
| Lower Boundary: |
RUS Nm1a2--Nm1b1,Uralopron.-Cravenoc. GZ, 326.4 million years
|
| Upper Boundary: |
RUS Nm1b1--Nm1b2 (Domb.carinat.--tectus), 324.6 million years
|
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