Genus Cranwellia

Species total:
38
Age range:
482.6 - 0.01 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Cranwellia subtilis Late Campanian Middle Paleocene
Cranwellia taiwaniana Eocene Eocene
Cranwellia wuqiaensis Turonian Early Senonian
Cranwellia yizhengensis Cretaceous Tertiary