Perisaccus |
Perisaccus nudus
|
USSR(Ukrainian SSR) |
Late Carboniferous |
|
Leiopsophosphaera |
Leiopsophosphaera pelucida
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Leiopsophosphaera |
Leiopsophosphaera minor
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Kildinella |
Kildinella sinica
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Bavlinella |
Bavlinella faveolata
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Leiominuscula |
Leiominuscula minuta
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Margominuscula |
Margominuscula antiqua
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Leiomarginata |
Leiomarginata simplex
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Acanthopsophosphaera |
Acanthopsophosphaera clarus
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Brochopsophosphaera |
Brochopsophosphaera faectus
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Protoleiosphaeridium |
Protoleiosphaeridium sorediforme
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Asperatopsophosphaera |
Asperatopsophosphaera
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Lophosphaeridium |
Lophosphaeridium
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Microconcentrica |
Microconcentrica
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Baltisphaeridium |
Baltisphaeridium
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Leiosphaeridia |
Leiosphaeridia
|
USSR(Ukrainian SSR) |
Carboniferous |
|
Micrhystridium |
Micrhystridium
|
USSR(Ukrainian SSR) |
Carboniferous |
|