Bavlinella |
Bavlinella sp
|
USSR(Siberia) |
Middle Precambrian |
|
Conochitina |
Conochitina lepida
|
USSR(Vologda) |
Middle Ordovician |
|
Conochitina |
Conochitina sp
|
USSR(Vologda) |
Middle Ordovician |
|
Cyathochitina |
Cyathochitina campanulaeformis
|
USSR(Vologda) |
Middle Ordovician |
|
Cyathochitina |
Cyathochitina ontariensis
|
USSR(Vologda) |
Middle Ordovician |
|
Cyathochitina |
Cyathochitina sp
|
USSR(Vologda) |
Middle Ordovician |
|
Dactylofusa |
Dactylofusa
|
USSR(Leningrad) |
Middle Cambrian |
|
Dasydiacrodium |
Dasydiacrodium
|
USSR(Leningrad) |
Middle Cambrian |
|
Dasydiacrodium |
Dasydiacrodium bifurcatum
sp. nov. |
USSR(Leningrad) |
Middle Cambrian |
|
Dasydiacrodium |
Dasydiacrodium tricorne
sp. nov. |
USSR(Leningrad) |
Middle Cambrian |
|
Dasyrytidodiacrodium |
Dasyrytidodiacrodium
|
USSR(Leningrad) |
Middle Cambrian |
|
Ethmosphaeridium |
Ethmosphaeridium eniseicum
|
USSR(Siberia) |
Riphean |
|
Ethmosphaeridium |
Ethmosphaeridium sp
|
USSR(Ukrainian SSR) |
Precambriam |
|
Ethmosphaeridium |
Ethmosphaeridium tungusum
|
USSR(Siberia) |
Riphean |
|
Ethmosphaeridium |
Ethmosphaeridium vittaforme
|
USSR(Siberia) |
Riphean |
|
Favososphaeridium |
Favososphaeridium
|
USSR(Pre-Baltic) |
Early Ordovician |
|
Favososphaeridium |
Favososphaeridium favosum
|
USSR(Siberia) |
Riphean |
|