Genus Cyrtospora

Species total:
5
Age range:
395 - 228.25 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Cyrtospora Early Frasnian Middle Tournaisian
Cyrtospora clavigera Early Mississippian Early Mississippian
Cyrtospora cristifera Devonian Griesbachian
Cyrtospora expleta Frasnian Late Frasnian
Cyrtospora tiara Early Famennian Middle Famennian