Genus Glyptosphaera

Species total:
5
Age range:
435 - 395 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Glyptosphaera Ludlovian Ludlovian
Glyptosphaera dentatum Late Llandoverian Late Llandoverian
Glyptosphaera levicostata Early Frasnian Early Frasnian
Glyptosphaera sp.A Hash.& Play.,1998 Frasnian Frasnian
Glyptosphaera speciosa Early Llandoverian Ludlovian