Wetzeliella |
Wetzeliella clathrata
|
Belgium |
Late Eocene |
|
Hercochitina |
Hercochitina downiei
|
England |
Ordovician |
|
Desmochitina |
Desmochitina minor
|
England |
Ordovician |
|
Desmochitina |
Desmochitina acollare
|
Florida |
Silurian |
|
Trachelomonas |
Trachelomonas sp
|
Nd |
Nd |
|
Trachelomonas |
Trachelomonas clavata
|
Nd |
Nd |
|
Trachelomonas |
Trachelomonas bacillifera
|
Nd |
Nd |
|
Trachelomonas |
Trachelomonas subglobosa
|
Nd |
Nd |
|
Desmochitina |
Desmochitina complanata
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium microspinosum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium calicispinae
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium spinigerum
|
Nd |
Nd |
|
Hystrichosphaeridium |
Hystrichosphaeridium trifurcatum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium sp
|
Nd |
Nd |
|
Bion |
Bion ramosum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium monterrosae
|
Nd |
Nd |
|
Hystrichosphaera |
Hystrichosphaera mirabilis
|
Nd |
Nd |
|