Kladothecidium |
Kladothecidium
|
Nd |
Nd |
|
Kladothecidium |
Kladothecidium eligmosum
|
Nd |
Arenigian |
|
Konderia |
Konderia
|
Nd |
Nd |
|
Konderia |
Konderia elliptica
|
Nd |
Late Riphean |
|
Korojonia |
Korojonia
|
Nd |
Nd |
|
Korojonia |
Korojonia dubiosa
|
Nd |
Cenomanian |
Early Maastrichtian |
Krimodiscus |
Krimodiscus
|
Nd |
Nd |
|
Krimodiscus |
Krimodiscus reticulatus
|
Nd |
Late Eocene |
|
Krishnania |
Krishnania
|
Nd |
Late Cambrian |
|
Krishnania |
Krishnania acuminata
|
Nd |
Late Precambrian |
|
Lacunalites |
Lacunalites
|
Nd |
Nd |
|
Lacunalites |
Lacunalites shangsicus
|
Nd |
Eocene |
Early Miocene |
Lacunalites |
Lacunalites sphaericus
|
Nd |
Early Carboniferous |
|
Lacunopsophosphaera |
Lacunopsophosphaera
|
Nd |
Nd |
|
Lacunopsophosphaera |
Lacunopsophosphaera gyrusoformis
|
Nd |
Early Cambrian |
|
Lacunopsophosphaera |
Lacunopsophosphaera inconspica
|
Nd |
Early Cambrian |
|
Lacunopsophosphaera |
Lacunopsophosphaera simplex
|
Nd |
Early Cambrian |
|