Genus Biconidinium

Species total:
4
Age range:
94 - 49 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Biconidinium Cuisian Cuisian
Biconidinium longissimum Late Paleocene Late Ypresian
Biconidinium reductum Campanian Maastrichtian
Biconidinium sp Turonian Early Maestrichtian