Acanthodiacrodium |
Acanthodiacrodium decipiens
|
Nd |
Late Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium denticulatum
|
Nd |
Early Gothlandian |
|
Acanthodiacrodium |
Acanthodiacrodium dentiferum
|
Nd |
Early Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium dichotomum
|
Nd |
Middle Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium diffusum
|
Nd |
Middle Cambrian |
Late Cambrian |
Acanthodiacrodium |
Acanthodiacrodium digermulense
|
Nd |
Early Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium dilatum
|
Nd |
Late Tremadocian |
Early Arenigian |
Acanthodiacrodium |
Acanthodiacrodium divaricatum
|
Nd |
Late Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium divisum
|
Nd |
Early Ordovician |
|
Acanthodiacrodium |
Acanthodiacrodium duplex
|
Nd |
Late Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium duplicativum
|
Nd |
Middle Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium duplicatum
|
Nd |
Late Llanvirnian |
|
Acanthodiacrodium |
Acanthodiacrodium duplicatum
|
Nd |
Late Llanvirnian |
|
Acanthodiacrodium |
Acanthodiacrodium duplicatum
|
Nd |
Late Llanvirnian |
|
Acanthodiacrodium |
Acanthodiacrodium echinatum
|
Nd |
Early Gothlandian |
|
Acanthodiacrodium |
Acanthodiacrodium echinatum
|
Nd |
Late Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium echinulatum
|
Nd |
Late Cretaceous |
|