Genus Alterbia

Species total:
45
Age range:
141 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Alterbia microgranulata Paleocene Middle Eocene
Alterbia mauthei Nd Nd
Alterbia magnifica Eocene Eocene
Alterbia macrocysta Campanian Campanian
Alterbia jurassica Nd Nd
Alterbia ingramii Turonian Turonian
Alterbia foliacea Turonian Campanian
Alterbia eyrensis Albian Cenomanian
Alterbia ectorugosa Late Eocene Late Eocene
Alterbia earnleyensis Early Eocene Middle Eocene
Alterbia distincta Early Tertiary Early Oligocene
Alterbia dilwynensis Maastrichtian Maastrichtian
Alterbia dictyon Campanian Campanian
Alterbia daveyi Albian Early Turonian
Alterbia curvicornis Campanian Campanian
Alterbia circula Danian Late Paleocene
Alterbia bicellula Early Eocene Middle Eocene