Exochoderma |
Exochoderma
|
Nd |
Nd |
|
Exochoderma |
Exochoderma arca
|
Nd |
Givetian |
|
Exochoderma |
Exochoderma asketa
|
Nd |
Late Devonian |
|
Exochoderma |
Exochoderma cleopatra
|
Nd |
Silurian |
Devonian |
Exochoderma |
Exochoderma irregularis
|
Nd |
Late Devonian |
|
Exochoderma |
Exochoderma ramibrachia
|
Nd |
Late Devonian |
|
Exochoderma |
Exochoderma triangulata
|
Nd |
Givetian |
|
Eyrea |
Eyrea
|
Nd |
Nd |
|
Eyrea |
Eyrea nebulosa
|
Nd |
Albian |
Cenomanian |
Eyreasphaera |
Eyreasphaera
|
Nd |
Nd |
|
Eyreasphaera |
Eyreasphaera enigmatica
|
Nd |
Nd |
|
Eyreasphaera |
Eyreasphaera porifera
|
Nd |
Albian |
Cenomanian |
Favososphaeridium |
Favososphaeridium
|
Nd |
Nd |
|
Favososphaeridium |
Favososphaeridium bothnicum
|
Nd |
Nd |
|
Favososphaeridium |
Favososphaeridium favosum
|
Nd |
Early Sinian |
|
Favososphaeridium |
Favososphaeridium heterobrochatum
|
Nd |
Ludlovian |
|
Favososphaeridium |
Favososphaeridium inparilum
|
Nd |
Early Ordovician |
|