Acanthodiacrodium |
Acanthodiacrodium hipocrateriforme
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium hippocrepiforme
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium hirtum
|
USSR(Baltic) |
Early Ordovician |
|
Acanthodiacrodium |
Acanthodiacrodium ignoratum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium immarginatum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium involutum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium lanatum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium lasianthum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium lazarewii
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium lentiforme
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium lineatum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium longum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium mediale
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium meonanthum
|
USSR(Baltic) |
Early Ordovician |
|
Acanthodiacrodium |
Acanthodiacrodium micronatum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium micronulatum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium mitraeforme
|
Nd |
Nd |
|