Genus Alterbia

Species total:
45
Age range:
141 - 0 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Alterbia Aptian Early Tertiary
Alterbia acribes Early Albian Early Albian
Alterbia acuminata Early Cretaceous Maastrichtian
Alterbia acutula Campanian Danian
Alterbia ambigua Cenomanian Middle Eocene
Alterbia amphiata Early Santonian Maastrichtian
Alterbia asymmetrica Middle Albian Quaternary
Alterbia bakeri Early Santonian Early Eocene
Alterbia balmei Turonian Maastrichtian
Alterbia bellula Early Eocene Late Eocene
Alterbia bicavata Campanian Maastrichtian
Alterbia bicellula Early Eocene Middle Eocene
Alterbia circula Danian Late Paleocene
Alterbia curvicornis Campanian Campanian
Alterbia daveyi Albian Early Turonian
Alterbia dictyon Campanian Campanian
Alterbia dilwynensis Maastrichtian Maastrichtian