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Class: Rotaliata    Subclass: Globigerinana    Order: Heterohelicida    Family: Heterohelicidae
Laeviheterohelix Nederbragt, 1991

Laeviheterohelix dentata
(Stenestad, 1968)
identified by scientist   
Cretaceous
Kurdistan

Laeviheterohelix dentata
(Stenestad, 1968)
identified by scientist   
Cretaceous
Kurdistan

Laeviheterohelix euryconus
(Ehrenberg, 1854)
identified by scientist   
Cretaceous
American South

Laeviheterohelix euryconus
(Ehrenberg, 1854)
identified by scientist   
Cretaceous

Laeviheterohelix glabrans
(Cushman, 1938)
identified by scientist   
Cretaceous
Kurdistan
   

Laeviheterohelix glabrans
(Cushman, 1938)
identified by scientist   
Cretaceous
Kurdistan

Laeviheterohelix pulchra
(Brotzen, 1936)
identified by scientist   
Cretaceous
Kurdistan

Laeviheterohelix pulchra
(Brotzen, 1936)
identified by scientist   
Cretaceous
Kurdistan