Genus Betpakdalina

Species total:
11
Age range:
141 - 1.8 MA (obsolete dating)
IRMNG:
find
Name From To Age range
Betpakdalina triangulata Cretaceous Tertiary
Betpakdalina Cretaceous Paleocene
Betpakdalina barbulata Cretaceous Early Paleocene
Betpakdalina sp Cretaceous Tertiary
Betpakdalina tetrabarbata Albian Danian
Betpakdalina pentaoculoides Late Cretaceous Maestrichtian
Betpakdalina minuta Senonian Maastrichtian
Betpakdalina protuberantis Senonian Maastrichtian
Betpakdalina sp. Polu.et al,1966 Campanian Maestrichtian
Betpakdalina pentaoculata Campanian Maastrichtian
Betpakdalina tetrabarbulata Early Tertiary Early Tertiary