Symplassosphaeridium

Genus Symplassosphaeridium

Species total:
32

Age range:
4100 - 230 MA (obsolete dating)

IRMNG:
find

Name	From	To
Symplassosphaeridium vesiculiferum	Early Cambrian	Early Cambrian
Symplassosphaeridium undosum	Early Riphean	Late Riphean
Symplassosphaeridium tumidulum	Early Proterozoic	Carboniferous
Symplassosphaeridium subsoalitum	Vendian	Vendian
Symplassosphaeridium subcoalitum	Precambriam	Silurian
Symplassosphaeridium specusum	Late Proterozoic	Cambrian
Symplassosphaeridium sp.Visa.et al,1976	Ordovician	Ordovician
Symplassosphaeridium sp.B Salu.et al,1971	Middle Proterozoic	Late Proterozoic
Symplassosphaeridium sp.B	Precambriam	Precambriam
Symplassosphaeridium sp.A Salu.et al,1971	Middle Proterozoic	Late Proterozoic
Symplassosphaeridium sp.A	Precambriam	Precambriam
Symplassosphaeridium sp. Ilie.,1974	Precambriam	Cambrian
Symplassosphaeridium sp. Hofm.& Jack.,1996	Middle Proterozoic	Middle Proterozoic
Symplassosphaeridium sp. Hofm.& Jack.,1994	Proterozoic	Proterozoic
Symplassosphaeridium sp. Germ.et al,1989	Late Riphean	Early Paleozoic
Symplassosphaeridium sp. Gauc.et al,1996	Middle Vendian	Late Cambrian
Symplassosphaeridium sp	Precambriam	Siegenian