Cyathochitina |
Cyathochitina calix
|
USSR(Yaroslav) |
Arenigian |
Middle Ordovician |
Cyathochitina |
Cyathochitina campanulaeformis
|
USSR(Yaroslav) |
Middle Ordovician |
|
Cyathochitina |
Cyathochitina granulata
|
USSR(Yaroslav) |
Arenigian |
|
Cylindrochitina |
Cylindrochitina sp
|
USSR(Yaroslav) |
Late Tremadocian |
Arenigian |
Desmochitina |
Desmochitina minor
|
USSR(Yaroslav) |
Middle Ordovician |
|
Desmochitina |
Desmochitina minor
|
USSR(Yaroslav) |
Arenigian |
Middle Ordovician |
Desmochitina |
Desmochitina minor
|
USSR(Yaroslav) |
Arenigian |
Middle Ordovician |
Desmochitina |
Desmochitina minor
|
USSR(Yaroslav) |
Arenigian |
Middle Ordovician |
Lagenochitina |
Lagenochitina acerosa
sp. nov. |
USSR(Yaroslav) |
Arenigian |
Middle Ordovician |
Lagenochitina |
Lagenochitina curta
sp. nov. |
USSR(Yaroslav) |
Middle Ordovician |
|
Lagenochitina |
Lagenochitina cybaea
sp. nov. |
USSR(Yaroslav) |
Arenigian |
Middle Ordovician |
Lagenochitina |
Lagenochitina elegans
|
USSR(Yaroslav) |
Arenigian |
|
Lagenochitina |
Lagenochitina magnifica
sp. nov. |
USSR(Yaroslav) |
Arenigian |
Middle Ordovician |
Lagenochitina |
Lagenochitina mundana
|
USSR(Yaroslav) |
Arenigian |
Middle Ordovician |
Lagenochitina |
Lagenochitina obesa
sp. nov. |
USSR(Yaroslav) |
Arenigian |
|
Lagenochitina |
Lagenochitina obesiformis
sp. nov. |
USSR(Yaroslav) |
Arenigian |
Middle Ordovician |
Lagenochitina |
Lagenochitina ovoidea
|
USSR(Yaroslav) |
Arenigian |
|