Genus Acrum

Species total:
11
Age range:
950 - 500 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Acrum Late Riphean Late Riphean
Acrum araxisii Late Cambrian Late Cambrian
Acrum cylindriferum Early Cambrian Late Cambrian
Acrum jasperense Tremadocian Tremadocian
Acrum membranosum Early Cambrian Middle Cambrian
Acrum novum Early Paleozoic Middle Cambrian
Acrum radiale Early Cambrian Middle Cambrian
Acrum sp Early Cambrian Middle Cambrian
Acrum sp. Di M.,1991 Late Cambrian Late Cambrian
Acrum sp.1 Middle Cambrian Middle Cambrian
Acrum sp.2 Middle Cambrian Middle Cambrian