Genus Cyrtospora

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