Genus Acanthodiacrodium

Species total:
229
Age range:
4100 - 11.5 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Acanthodiacrodium bucerum Early Paleozoic Early Tremadocian
Acanthodiacrodium brevispinum Early Ordovician Early Ordovician
Acanthodiacrodium biplicatum Middle Cambrian Late Cambrian
Acanthodiacrodium bimorphispinae Middle Ordovician Middle Ordovician
Acanthodiacrodium bicoronatum Early Tremadocian Arenigian
Acanthodiacrodium barbullatum Cambrian Late Gothlandian
Acanthodiacrodium baculatum Early Tremadocian Early Tremadocian
Acanthodiacrodium augustum Nd Nd
Acanthodiacrodium arburense Late Tremadocian Early Arenigian
Acanthodiacrodium apertum Middle Cambrian Middle Cambrian
Acanthodiacrodium angustum Cambrian Middle Emsian
Acanthodiacrodium angustizonale Early Ordovician Late Ordovician
Acanthodiacrodium anfractum Tremadocian Tremadocian
Acanthodiacrodium anceps Early Paleozoic Late Cambrian
Acanthodiacrodium amplium Tremadocian Tremadocian
Acanthodiacrodium ambiguum Llandeilian Llandeilian
Acanthodiacrodium adligans Middle Cambrian Middle Cambrian