Surculosphaeridium

Genus Surculosphaeridium

Species total:
32

Age range:
230 - 0 MA (obsolete dating)

IRMNG:
find

Name	From	To
Surculosphaeridium sp.II Dave.,1982	Ryazanian	Early Valanginian
Surculosphaeridium sp.III Dave.,1982	Late Volgian	Early Hauterivian
Surculosphaeridium sp.I Dave.,1982	Middle Volgian	Aptian
Surculosphaeridium phoenix	Barremian	Late Albian
Surculosphaeridium trunculum	Valanginian	Early Cenomanian
Surculosphaeridium spinocongregatum	Early Cenomanian	Middle Coniacian
Surculosphaeridium sp. Kuma.& Saxe.,1996	Late Santonian	Early Campanian
Surculosphaeridium belowii	Late Barremian	Early Campanian
Surculosphaeridium cassospinum	Early Santonian	Early Campanian
Surculosphaeridium basifurcatum	Early Santonian	Campanian
Surculosphaeridium argentinense	Santonian	Campanian
Surculosphaeridium suggestium	Santonian	Campanian
Surculosphaeridium vestitum	Late Bajocian	Cretaceous
Surculosphaeridium sp	Jurassic	Selandian
Surculosphaeridium sp. Xu et al,1997	Middle Eocene	Late Eocene
Surculosphaeridium cribrotubiferum	Bathonian	Late Eocene
Surculosphaeridium oceania	Ypresian	Rupelian