Genus Surculosphaeridium

Species total:
32
Age range:
230 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Surculosphaeridium sp. Head & Norr.,1989 Oligocene Oligocene
Surculosphaeridium granulosum Early Albian Early Albian
Surculosphaeridium granulatum Danian Danian
Surculosphaeridium divarispinosum Early Albian Early Albian
Surculosphaeridium sp.2 Late Quaternary Late Quaternary
Surculosphaeridium sp.A Early Oxfordian Early Oxfordian
Surculosphaeridium sp. Guer.,1990 Eocene Eocene
Surculosphaeridium sp.1 Early Cretaceous Early Cretaceous
Surculosphaeridium calicigerum Early Rupelian Early Rupelian
Surculosphaeridium spinicongregatum Nd Nd
Surculosphaeridium Mesozoic Cenozoic
Surculosphaeridium longifurcatum Late Toarcian Pleistocene
Surculosphaeridium alagoense Middle Eocene Miocene
Surculosphaeridium sp. Duff.& Stei.,1986 Early Miocene Middle Miocene
Surculosphaeridium polyozum Late Oligocene Middle Miocene
Surculosphaeridium oceania Ypresian Rupelian
Surculosphaeridium sp. Xu et al,1997 Middle Eocene Late Eocene