Genus Exochosphaeridium

Species total:
45
Age range:
230 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Exochosphaeridium sp.4 Late Cenomanian Maastrichtian
Exochosphaeridium sp.A Hauterivian Campanian
Exochosphaeridium sp.A Lond.,1990 Late Hauterivian Late Hauterivian
Exochosphaeridium sp.B Late Aptian Albian
Exochosphaeridium sp.C Middle Cretaceous Late Cretaceous
Exochosphaeridium sp.D Nd Nd
Exochosphaeridium spinosum Late Cretaceous Late Cretaceous
Exochosphaeridium striatellum Late Senonian Late Senonian
Exochosphaeridium striolatum Neocomian Early Eocene
Exochosphaeridium truncatum Valanginian Turonian
Exochosphaeridium truncigerum Vraconian Maastrichtian