Genus Alterbia

Species total:
45
Age range:
141 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Alterbia polymorpha Maastrichtian Maastrichtian
Alterbia dilwynensis Maastrichtian Maastrichtian
Alterbia ectorugosa Late Eocene Late Eocene
Alterbia xinjiangensis Paleocene Paleocene
Alterbia magnifica Eocene Eocene
Alterbia macrocysta Campanian Campanian
Alterbia ingramii Turonian Turonian
Alterbia acribes Early Albian Early Albian
Alterbia raijae Maastrichtian Maastrichtian
Alterbia mauthei Nd Nd
Alterbia rhombohedra Early Paleocene Early Paleocene
Alterbia subtilis Campanian Campanian
Alterbia dictyon Campanian Campanian
Alterbia sp.B Early Campanian Early Campanian
Alterbia jurassica Nd Nd
Alterbia curvicornis Campanian Campanian
Alterbia asymmetrica Middle Albian Quaternary