Ancyrochitina |
Ancyrochitina prima
sp. nov. |
Nigeria |
Late Ordovician |
|
Conochitina |
Conochitina brevis
|
Nigeria |
Late Ordovician |
|
Conochitina |
Conochitina communis
|
Nigeria |
Late Ordovician |
|
Conochitina |
Conochitina conulus
|
Nigeria |
Late Ordovician |
|
Conochitina |
Conochitina homoclaviformis
|
Nigeria |
Late Ordovician |
|
Conochitina |
Conochitina parvicolla
|
Nigeria |
Late Ordovician |
|
Conochitina |
Conochitina sp.1 Bouc.,1965
sp. nov. |
Nigeria |
Late Ordovician |
|
Conochitina |
Conochitina sp.2
sp. nov. |
Nigeria |
Late Ordovician |
|
Conochitina |
Conochitina sp.3
sp. nov. |
Nigeria |
Late Ordovician |
|
Conochitina |
Conochitina vasculiformis
sp. nov. |
Nigeria |
Late Ordovician |
|
Cyathochitina |
Cyathochitina campanulaeformis
|
Nigeria |
Late Ordovician |
|
Cyathochitina |
Cyathochitina djadoensis
sp. nov. |
Nigeria |
Late Ordovician |
|
Cyathochitina |
Cyathochitina elongata
sp. nov. |
Nigeria |
Late Ordovician |
|
Cyathochitina |
Cyathochitina fistulosa
|
Nigeria |
Late Ordovician |
|
Cyathochitina |
Cyathochitina fusiformis
sp. nov. |
Nigeria |
Late Ordovician |
|
Cyathochitina |
Cyathochitina hymenophora
sp. nov. |
Nigeria |
Late Ordovician |
|
Cyathochitina |
Cyathochitina kourneidaensis
sp. nov. |
Nigeria |
Late Ordovician |
|