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Genus Cleistosphaeridium

Species total:
135
Age range:
230 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Cleistosphaeridium sp. Batt.,1982 Hauterivian Hauterivian
Cleistosphaeridium chems Hauterivian Hauterivian
Cleistosphaeridium sp.A Lond.,1990 Hauterivian Hauterivian
Cleistosphaeridium sp.A Khow.& Jain,1992 Hauterivian Barremian
Cleistosphaeridium sp.AE Brid.& McIn.,1975 Hauterivian Cenomanian
Cleistosphaeridium sp.3 Late Neocomian Aptian
Cleistosphaeridium armatum Late Valanginian Early Danian
Cleistosphaeridium sp. Will.,1978 Middle Valanginian Middle Valanginian
Cleistosphaeridium sp.KE Valanginian Valanginian
Cleistosphaeridium clavulum Valanginian Danian
Cleistosphaeridium sp.KE McIn.& Brid.,1980 Early Valanginian Middle Valanginian
Cleistosphaeridium sp.BE Brid.,1977 Early Valanginian Middle Valanginian
Cleistosphaeridium separatum Ryazanian Middle Valanginian
Cleistosphaeridium granulatum Middle Berriasian Middle Albian
Cleistosphaeridium diversispinosum Middle Berriasian Miocene
Cleistosphaeridium sp.B Davi.,1983 Berriasian Valanginian
Cleistosphaeridium nenjiangense Cretaceous Early Senonian