Baltisphaeridium |
Baltisphaeridium spinescens
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium spini-curvatum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium spinoglobosum
|
Canada(Alberta) |
Late Devonian |
|
Baltisphaeridium |
Baltisphaeridium spinosum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium spinosum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium spiralisetum
|
Netherlands |
Late Cretaceous |
|
Baltisphaeridium |
Baltisphaeridium sprucegrovense
|
Canada(Alberta) |
Late Devonian |
|
Baltisphaeridium |
Baltisphaeridium stellaeforme
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium stimuliferum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium striatoconum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium striolatum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium suecicum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium sylhetii
|
India(Assam) |
Eocene |
|
Baltisphaeridium |
Baltisphaeridium telmaticum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium tenuiramusculosum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium texanum
|
Nd |
Nd |
|
Baltisphaeridium |
Baltisphaeridium tiara
|
Nd |
Nd |
|