Acanthodiacrodium |
Acanthodiacrodium abortivum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium aciferum
|
USSR(Baltic) |
Early Ordovician |
|
Acanthodiacrodium |
Acanthodiacrodium acre
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium adelphicum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium anceps
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium apertum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium barbullatum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium biplicatum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium brevispinum
|
USSR(Baltic) |
Early Ordovician |
|
Acanthodiacrodium |
Acanthodiacrodium capsulare
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium commune
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium conforme
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium constrictum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium convexum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium cornutum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium crenatum
|
Nd |
Nd |
|
Acanthodiacrodium |
Acanthodiacrodium curvispinum
|
USSR(Baltic) |
Early Ordovician |
|