Ameliaphycus |
Ameliaphycus croxfordii
|
Spitsbergen |
Late Riphean |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium truncatum
|
Nd |
Nd |
|
Brachypleganon |
Brachypleganon khandanum
|
Spitsbergen |
Late Riphean |
|
Calyptothrix |
Calyptothrix geminata
|
Spitsbergen |
Late Riphean |
|
Caudiculophycus |
Caudiculophycus acuminatus
|
Nd |
Nd |
|
Caudiculophycus |
Caudiculophycus rivularioides
|
Nd |
Nd |
|
Cephalonyx |
Cephalonyx geminatus
|
Spitsbergen |
Late Riphean |
|
Cephalophytarion |
Cephalophytarion constrictum
|
Nd |
Nd |
|
Cephalophytarion |
Cephalophytarion delicatulum
|
Nd |
Nd |
|
Cephalophytarion |
Cephalophytarion grande
|
Nd |
Nd |
|
Cephalophytarion |
Cephalophytarion laticellulosum
|
Nd |
Nd |
|
Cephalophytarion |
Cephalophytarion piliformis
|
Nd |
Nd |
|
Cephalophytarion |
Cephalophytarion taenia
|
Nd |
Nd |
|
Cephalophytarion |
Cephalophytarion turukhanicum
|
Nd |
Nd |
|
Cephalophytarion |
Cephalophytarion variabile
|
Nd |
Nd |
|
Cerebrosphaera |
Cerebrosphaera
|
Spitsbergen |
Late Riphean |
|
Cerebrosphaera |
Cerebrosphaera buickii
sp. nov. |
Spitsbergen |
Late Riphean |
|