Acanthodiacrodium |
Acanthodiacrodium achrasii
|
Nd |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium aciculatum
|
Nd |
Late Llanvirnian |
|
Acanthodiacrodium |
Acanthodiacrodium angustizonale
|
Nd |
Arenigian |
Llanvirnian |
Acanthodiacrodium |
Acanthodiacrodium angustum
|
Nd |
Acadian |
Tremadocian |
Acanthodiacrodium |
Acanthodiacrodium concaviusculum
|
Nd |
Late Llanvirnian |
|
Acanthodiacrodium |
Acanthodiacrodium constrictum
|
Nd |
Tremadocian |
Llanvirnian |
Acanthodiacrodium |
Acanthodiacrodium costatum
|
Nd |
Late Llanvirnian |
Early Caradocian |
Acanthodiacrodium |
Acanthodiacrodium duplicatum
|
Nd |
Late Llanvirnian |
|
Acanthodiacrodium |
Acanthodiacrodium duplicatum
|
Nd |
Late Llanvirnian |
|
Acanthodiacrodium |
Acanthodiacrodium formosum
|
Nd |
Late Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium hirsutum
|
Nd |
Late Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium intercalare
|
Nd |
Late Llanvirnian |
|
Acanthodiacrodium |
Acanthodiacrodium latizonale
|
Nd |
Late Llanvirnian |
|
Acanthodiacrodium |
Acanthodiacrodium latum
|
Nd |
Late Llanvirnian |
|
Acanthodiacrodium |
Acanthodiacrodium rectinerve
|
Nd |
Late Llanvirnian |
|
Acanthodiacrodium |
Acanthodiacrodium rotundatum
|
Nd |
Late Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium rupeum
|
Nd |
Tremadocian |
|