Conochitina |
Conochitina schopfi
sp. nov. |
Oklahoma |
Middle Ordovician |
|
Conochitina |
Conochitina schopfi
|
Iowa |
Late Ordovician |
|
Conochitina |
Conochitina sp
|
Oklahoma |
Middle Ordovician |
Late Ordovician |
Cyathochitina |
Cyathochitina campanulaeformis
|
Baltic |
Middle Ordovician |
Late Ordovician |
Cyathochitina |
Cyathochitina campanulaeformis
|
Iowa |
Late Ordovician |
|
Cyathochitina |
Cyathochitina campanulaeformis
|
Oklahoma |
Middle Ordovician |
Late Ordovician |
Cyathochitina |
Cyathochitina campanulaeformis
|
Oklahoma |
Middle Ordovician |
|
Cyathochitina |
Cyathochitina dispar
|
France(Paris Basin) |
Late Ordovician |
|
Cyathochitina |
Cyathochitina dispar
|
Oklahoma |
Late Ordovician |
|
Cyathochitina |
Cyathochitina hyalophrys
|
Oklahoma |
Late Ordovician |
|
Cyathochitina |
Cyathochitina kuckersiana
|
Baltic |
Late Ordovician |
|
Cyathochitina |
Cyathochitina kuckersiana
|
France(Paris Basin) |
Late Ordovician |
|
Cyathochitina |
Cyathochitina kuckersiana
|
Iowa |
Late Ordovician |
|
Cyathochitina |
Cyathochitina kuckersiana
|
Oklahoma |
Middle Ordovician |
|
Cyathochitina |
Cyathochitina kuckersiana
|
France(Paris Basin) |
Silurian |
|
Cyathochitina |
Cyathochitina kuckersiana
|
Africa(Sahara) |
Silurian |
|
Cyathochitina |
Cyathochitina makromyka
|
Oklahoma |
Late Ordovician |
|