Thoracosphaera

Genus Thoracosphaera

Species total:
37

Age range:
199 - 0 MA (obsolete dating)

IRMNG:
find

Name	From	To
Thoracosphaera tesserula	Hauterivian	Miocene
Thoracosphaera thoracata	Hauterivian	Barremian
Thoracosphaera tuberosa	Hauterivian	Recent