Perisseiasphaeridium

Genus Perisseiasphaeridium

Species total:
19

Age range:
230 - 0 MA (obsolete dating)

IRMNG:
find

Name	From	To
Perisseiasphaeridium sp.B	Valanginian	Valanginian
Perisseiasphaeridium sp.A Will.& Brid.,1975	Late Eocene	Early Oligocene
Perisseiasphaeridium sp.A Ioan.et al,1977	Early Kimmeridgian	Portlandian
Perisseiasphaeridium sp.A Ioan.et al,1976	Kimmeridgian	Kimmeridgian
Perisseiasphaeridium sp.A	Kimmeridgian	Kimmeridgian
Perisseiasphaeridium sp.1 Dave.,1982	Oxfordian	Kimmeridgian
Perisseiasphaeridium sp.1	Kimmeridgian	Kimmeridgian
Perisseiasphaeridium sp. Xu et al,1997	Middle Eocene	Late Eocene
Perisseiasphaeridium sp	Oxfordian	Pleistocene
Perisseiasphaeridium pertusum	Early Cretaceous	Early Cretaceous
Perisseiasphaeridium pauasum	Ypresian	Ypresian
Perisseiasphaeridium pannosum	Toarcian	Early Pleistocene
Perisseiasphaeridium mesopotamensis	Early Cretaceous	Early Cretaceous
Perisseiasphaeridium inusitatum	Heterian	Campanian
Perisseiasphaeridium insolitum	Kimmeridgian	Albian
Perisseiasphaeridium ingegerdiae	Jurassic	Middle Volgian
Perisseiasphaeridium eisenackii	Early Cretaceous	Albian