Acanthodiacrodium |
Acanthodiacrodium angustum
|
Algeria |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium barbullatum
|
Algeria |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium constrictum
|
Algeria |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium divisum
|
Algeria |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium lineatum
|
Algeria |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium oblongatum
sp. nov. |
Algeria |
Late Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium oblongatum
|
Algeria |
Late Cambrian |
Tremadocian |
Acanthodiacrodium |
Acanthodiacrodium selectum
|
Algeria |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium serotinum
|
Algeria |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium simplex
|
Algeria |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium sp
|
Algeria |
Tremadocian |
|
Ammonidium |
Ammonidium rigidum
|
Algeria |
Couvinian |
Givetian |
Arbusculidium |
Arbusculidium ornatum
|
Algeria |
Tremadocian |
|
Arbusculidium |
Arbusculidium ornatum
|
Algeria |
Early Tremadocian |
|
Arbusculidium |
Arbusculidium ramusculosum
|
Algeria |
Tremadocian |
|
Arpylorus |
Arpylorus antiquus
|
Algeria |
Ludlovian |
Gedinnian |
Baiomeniscus |
Baiomeniscus camurus
|
Algeria |
Llandoverian |
|