Angulisphaerina |
Angulisphaerina perfosoclathrata
sp. nov. |
USSR(Yakut ASSR) |
Middle Riphean |
|
Costatosphaerina |
Costatosphaerina ramosa
sp. nov. |
USSR(Yakut ASSR) |
Middle Riphean |
|
Costatosphaerina |
Costatosphaerina ramosa
|
USSR(Yakut ASSR) |
Middle Riphean |
Late Riphean |
Granomarginata |
Granomarginata typica
sp. nov. |
USSR(Yakut ASSR) |
Middle Riphean |
|
Granomarginata |
Granomarginata typica
|
USSR(Yakut ASSR) |
Middle Riphean |
Late Riphean |
Gyratosphaerina |
Gyratosphaerina aspera
|
USSR(Yakut ASSR) |
Middle Riphean |
Late Riphean |
Leiopsophosphaera |
Leiopsophosphaera
|
USSR(Yakut ASSR) |
Middle Riphean |
Late Riphean |
Menneria |
Menneria levis
|
USSR(Yakut ASSR) |
Middle Riphean |
|
Menneria |
Menneria roblota
|
USSR(Yakut ASSR) |
Late Riphean |
|
Microtaenia |
Microtaenia
|
USSR(Yakut ASSR) |
Middle Riphean |
|
Microtaenia |
Microtaenia granulosa
sp. nov. |
USSR(Yakut ASSR) |
Middle Riphean |
|
Orygmatosphaeridium |
Orygmatosphaeridium sp
|
USSR(Yakut ASSR) |
Middle Riphean |
Late Riphean |
Polyforama |
Polyforama
|
USSR(Yakut ASSR) |
Middle Riphean |
Late Riphean |
Spumiosa |
Spumiosa spumosa
|
USSR(Yakut ASSR) |
Middle Riphean |
Late Riphean |
Stictosphaeridium |
Stictosphaeridium sinapticuliferum
|
USSR(Yakut ASSR) |
Middle Riphean |
Late Riphean |
Trachysphaeridium |
Trachysphaeridium
|
USSR(Yakut ASSR) |
Middle Riphean |
Late Riphean |