1983 Xainzalites Sheng: 58.
1999 Xainzalites.-Korn, Klug & Mapes: 356 [probably Neogoniatites, but poor type material does not allow judgment].
Type species: Xainzalites xainzaensis Sheng, 1983, p.58 [OD].
[Genus based on poorly preserved material; its characteristics are regarded herein as of Neogoniatites Ruzhentsev &
Bogoslovskaia].
| 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
|