Ancyrochitina |
Ancyrochitina varispinosa
|
Paraguay |
Early Givetian |
|
Ramochitina |
Ramochitina sp.C
sp. nov. |
Paraguay |
Early Givetian |
Middle Givetian |
Ancyrochitina |
Ancyrochitina taouratinensis
|
Paraguay |
Middle Givetian |
Late Givetian |
Ancyrochitina |
Ancyrochitina sp.E
sp. nov. |
Paraguay |
Middle Givetian |
|
Ramochitina |
Ramochitina sp.D
sp. nov. |
Paraguay |
Early Givetian |
Middle Givetian |
Ancyrochitina |
Ancyrochitina sp.D
sp. nov. |
Paraguay |
Middle Givetian |
|
Ancyrochitina |
Ancyrochitina sp.C
sp. nov. |
Paraguay |
Early Givetian |
|
Angochitina |
Angochitina sp.C
sp. nov. |
Paraguay |
Late Frasnian |
|