TaxNo: 6006Genus Xainzalites
| Suborder: |
Goniatitina
|
| Superfamily: |
Goniatitoidea
|
| Family: |
Goniatitidae
|
| Genus: | Xainzalites |
| Qualifier: | gy |
| Author: |
Sheng 1983,p.58
|
| Valid: | Neogoniatites Ruzhentsev & Bogoslovskaia |
| Lower Boundary: |
RUS Nm1a1 base, Hypergon.-Ferganoc. GZ, 327.8 million years
|
| Upper Boundary: |
RUS Nm1b2--Nm1c1,Fayettevillea-Delepinoc, 324 million years
|