Guttatisphaeridium |
Guttatisphaeridium
|
Nd |
Nd |
|
Guttatisphaeridium |
Guttatisphaeridium pandum
|
Nd |
Late Devonian |
|
Gyalorhethium |
Gyalorhethium
|
Nd |
Nd |
|
Gyalorhethium |
Gyalorhethium chondrodes
|
Nd |
Llandeilian |
|
Gyalorhethium |
Gyalorhethium spinuliferum
|
Nd |
Ashgillian |
|
Gyratosphaerina |
Gyratosphaerina
|
Nd |
Nd |
|
Gyratosphaerina |
Gyratosphaerina aspera
|
Nd |
Early Cambrian |
|
Gyratosphaerina |
Gyratosphaerina composita
|
Nd |
Middle Riphean |
|
Halodinium |
Halodinium
|
Nd |
Nd |
|
Halodinium |
Halodinium majus
|
Nd |
Pleistocene |
|
Halodinium |
Halodinium minus
|
Nd |
Pleistocene |
|
Halophoridia |
Halophoridia
|
Nd |
Nd |
|
Halophoridia |
Halophoridia spinosa
|
Nd |
Early Cenomanian |
|
Halophoridia |
Halophoridia xena
|
Nd |
Late Albian |
Cenomanian |
Haplocystia |
Haplocystia
|
Nd |
Nd |
|
Haplocystia |
Haplocystia pellucida
|
Nd |
Late Permian |
|
Hapsidopalla |
Hapsidopalla
|
Nd |
Nd |
|