Baltisphaeridium |
Baltisphaeridium sp
|
USSR(Novgorod) |
Middle Cambrian |
|
Baltisphaeridium |
Baltisphaeridium spinigerum
|
Nd |
Nd |
|
Bion |
Bion ramosum
|
Nd |
Nd |
|
Clathrochitina |
Clathrochitina mitcovensis
|
USSR(Siberia) |
Middle Ludlovian |
|
Conochitina |
Conochitina borealis
sp. nov. |
USSR(Siberia) |
Middle Llandoverian |
|
Conochitina |
Conochitina edjelensis
|
USSR(Siberia) |
Middle Llandoverian |
|
Conochitina |
Conochitina elegans
|
USSR(Magadan Oblast) |
Middle Ordovician |
Llandoverian |
Conochitina |
Conochitina filifera
|
Nd |
Nd |
|
Conochitina |
Conochitina longa
|
USSR(Siberia) |
Middle Llandoverian |
|
Conochitina |
Conochitina norilenskis
sp. nov. |
USSR(Siberia) |
Middle Llandoverian |
|
Conochitina |
Conochitina oelandica
|
USSR(Siberia) |
Middle Llandoverian |
|
Conochitina |
Conochitina robusta
|
Oklahoma |
Ordovician |
|
Conochitina |
Conochitina siberica
|
USSR(Siberia) |
Middle Llandoverian |
|
Conochitina |
Conochitina simplex
|
USSR(Magadan Oblast) |
Middle Ordovician |
Llandoverian |
Conochitina |
Conochitina sp.1 Gold.et al,1969
sp. nov. |
Pennsylvania |
Silurian |
|
Cyathochitina |
Cyathochitina campanulaeformis
|
USSR(Novgorod) |
Llandeilian |
|
Cyathochitina |
Cyathochitina linnarssoni
|
USSR(Ukrainian SSR) |
Llandeilian |
|