Genus Surculosphaeridium

Species total:
32
Age range:
230 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Surculosphaeridium basifurcatum Early Santonian Campanian
Surculosphaeridium cassospinum Early Santonian Early Campanian
Surculosphaeridium argentinense Santonian Campanian
Surculosphaeridium sp. Kuma.& Saxe.,1996 Late Santonian Early Campanian
Surculosphaeridium granulatum Danian Danian
Surculosphaeridium sp. Guer.,1990 Eocene Eocene
Surculosphaeridium oceania Ypresian Rupelian
Surculosphaeridium sp. Xu et al,1997 Middle Eocene Late Eocene
Surculosphaeridium alagoense Middle Eocene Miocene
Surculosphaeridium calicigerum Early Rupelian Early Rupelian
Surculosphaeridium sp. Head & Norr.,1989 Oligocene Oligocene
Surculosphaeridium polyozum Late Oligocene Middle Miocene
Surculosphaeridium sp. Duff.& Stei.,1986 Early Miocene Middle Miocene
Surculosphaeridium sp.2 Late Quaternary Late Quaternary
Surculosphaeridium spinicongregatum Nd Nd