Genus Biswasiaspora

Species total:
4
Age range:
54.5 - 37.5 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Biswasiaspora Middle Eocene Late Eocene
Biswasiaspora baculata Middle Eocene Late Eocene
Biswasiaspora pseudoreticulata Middle Eocene Late Eocene
Biswasiaspora sp. Kar & Bhat.,1992 Early Eocene Early Eocene