Lagenochitina |
Lagenochitina perparva
sp. nov. |
USSR(Yaroslav) |
Arenigian |
Middle Ordovician |
Lagenochitina |
Lagenochitina pervulgata
sp. nov. |
USSR(Yaroslav) |
Late Tremadocian |
Arenigian |
Lagenochitina |
Lagenochitina porrecta
sp. nov. |
USSR(Yaroslav) |
Arenigian |
|
Lagenochitina |
Lagenochitina tumida
sp. nov. |
USSR(Yaroslav) |
Arenigian |
Middle Ordovician |
Rhabdochitina |
Rhabdochitina claviformis
|
USSR(Yaroslav) |
Arenigian |
Middle Ordovician |
Rhabdochitina |
Rhabdochitina gallica
|
USSR(Yaroslav) |
Late Tremadocian |
Middle Ordovician |
Rhabdochitina |
Rhabdochitina magna
|
USSR(Yaroslav) |
Arenigian |
Middle Ordovician |
Rhabdochitina |
Rhabdochitina parvicollis
sp. nov. |
USSR(Yaroslav) |
Arenigian |
Middle Ordovician |
Sphaerochitina |
Sphaerochitina oelandica
|
USSR(Yaroslav) |
Arenigian |
|
Sphaerochitina |
Sphaerochitina sphaerocephala
|
USSR(Yaroslav) |
Arenigian |
|