Acanthodiacrodium |
Acanthodiacrodium dentiferum
|
USSR |
Early Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium protensum
|
France(Herault) |
Late Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium quadrangulum
|
USSR |
Late Cambrian |
|
Adara |
Adara
|
Nd |
Nd |
|
Adara |
Adara alea
|
Canada(Newfoundland) |
Middle Cambrian |
|
Adara |
Adara denticulata
|
Sweden |
Middle Cambrian |
|
Adara |
Adara matutina
|
Spain |
Early Cambrian |
Middle Cambrian |
Adara |
Adara matutina
|
Spain |
Middle Cambrian |
|
Archaealetes |
Archaealetes
|
USSR(Estonian SSR) |
Early Gothlandian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium kudrjawzevii
|
USSR(Pre-Baltic) |
Late Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium protensum
|
USSR(Pre-Baltic) |
Late Cambrian |
|
Asteridium |
Asteridium lanatum
|
Poland |
Early Cambrian |
|
Asteridium |
Asteridium pallidum
|
USSR(Estonian SSR) |
Early Cambrian |
|
Asteridium |
Asteridium spinosum
|
Poland |
Early Cambrian |
|
Asteridium |
Asteridium tornatum
|
USSR(Estonian SSR) |
Early Cambrian |
|
Baltisphaeridium |
Baltisphaeridium brevifilicum
|
Sweden |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium citrinum
|
Nd |
Nd |
|