Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium aculeatum
sp. nov. |
USSR(Ukrainian SSR) |
Jurassic |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium complicatum
|
USSR(Ukrainian SSR) |
Jurassic |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium ianischewskyi
|
USSR(Ukrainian SSR) |
Jurassic |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium ianischewskyi
|
USSR(Ukrainian SSR) |
Jurassic |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium minimum
sp. nov. |
USSR(Ukrainian SSR) |
Jurassic |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium oblongum
|
USSR(Ukrainian SSR) |
Jurassic |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium vologdense
|
USSR(Ukrainian SSR) |
Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium annulatum
|
USSR(Ukrainian SSR) |
Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium digitatum
|
USSR(Ukrainian SSR) |
Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium digitatum
|
USSR(Ukrainian SSR) |
Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium dissimilare
sp. nov. |
USSR(Ukrainian SSR) |
Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium lacunosum
sp. nov. |
USSR(Ukrainian SSR) |
Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium multipilosum
|
USSR(Ukrainian SSR) |
Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium perceptibile
sp. nov. |
USSR(Ukrainian SSR) |
Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium rjabininii
|
USSR(Ukrainian SSR) |
Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium sexradiatum
|
USSR(Ukrainian SSR) |
Jurassic |
|
Hystrichosphaeridium |
Hystrichosphaeridium spinescens
|
USSR(Ukrainian SSR) |
Jurassic |
|