Genus Symphyonema

Species total:
4
Age range:
90.33 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Symphyonema Late Cretaceous Recent
Symphyonema bellus Maastrichtian Maastrichtian
Symphyonema sp Late Senonian Danian
Symphyonema striatus Maastrichtian Maastrichtian