Genus Callaiosphaeridium

Species total:
7
Age range:
230 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Callaiosphaeridium Mesozoic Cenozoic
Callaiosphaeridium asymmetricum Early Cretaceous Rupelian
Callaiosphaeridium falsificum Late Berriasian Early Barremian
Callaiosphaeridium sp Late Ryazanian Middle Albian
Callaiosphaeridium sp.A Hauterivian Hauterivian
Callaiosphaeridium sp.A Lond.,1990 Hauterivian Hauterivian
Callaiosphaeridium trycherium Late Valanginian Early Cenomanian