Membranosphaera

Genus Membranosphaera

Species total:
20

Age range:
230 - 0 MA (obsolete dating)

IRMNG:
find

Name	From	To
Membranosphaera coninckii	Aptian	Albian
Membranosphaera bulluliniformis	Oxfordian	Early Paleogene
Membranosphaera	Mesozoic	Cenozoic