Sigalia carpatica
(Salaj and Samuel, 1963)
identified by scientist   
Cretaceous
Mediterranean Sea

Sigalia carpatica
(Salaj and Samuel, 1963)
identified by scientist   
Cretaceous
Mediterranean Sea

Sigalia deflaensis
(Sigal, 1952)
identified by scientist   
Cretaceous
Caribbean

Sigalia incipiens
Georgescu, 2010
type specimen   holotype
Cretaceous
Caribbean

Sigalia proliferans
Georgescu, 2010
type specimen   holotype
Cretaceous
Caribbean