Leiominuscula |
Leiominuscula minuta
sp. nov. |
USSR(Russian Platform) |
Late Riphean |
|
Psophosphaera |
Psophosphaera
|
USSR(Russian Platform) |
Late Riphean |
|
Margominuscula |
Margominuscula rugosa
sp. nov. |
USSR(Russian Platform) |
Late Riphean |
|
Margominuscula |
Margominuscula antiqua
sp. nov. |
USSR(Russian Platform) |
Late Riphean |
|
Leiominuscula |
Leiominuscula rugosa
sp. nov. |
USSR(Russian Platform) |
Late Riphean |
|
Leiominuscula |
Leiominuscula prima
sp. nov. |
USSR(Russian Platform) |
Late Riphean |
|
Protoarchaeosacculina |
Protoarchaeosacculina atava
sp. nov. |
USSR(Russian Platform) |
Late Riphean |
|
Leiopsophosphaera |
Leiopsophosphaera microrugosa
sp. nov. |
USSR(Russian Platform) |
Late Riphean |
|
Megasacculina |
Megasacculina atava
sp. nov. |
USSR(Russian Platform) |
Late Riphean |
|
Archaeopertusina |
Archaeopertusina atava
sp. nov. |
USSR(Russian Platform) |
Late Riphean |
|
Archaeofavosina |
Archaeofavosina simplex
sp. nov. |
USSR(Russian Platform) |
Late Riphean |
|
Microconcentrica |
Microconcentrica sp
|
USSR(Russian Platform) |
Late Riphean |
|
Archaeodiscina |
Archaeodiscina
|
USSR(Russian Platform) |
Late Riphean |
|
Trachydiscina |
Trachydiscina sp
|
USSR(Russian Platform) |
Late Riphean |
|
Lophomarginata |
Lophomarginata sp
|
USSR(Russian Platform) |
Late Riphean |
|
Leiomarginata |
Leiomarginata simplex
sp. nov. |
USSR(Russian Platform) |
Early Cambrian |
|
Granomarginata |
Granomarginata prima
sp. nov. |
USSR(Russian Platform) |
Early Cambrian |
|