Plectofrondicularia californica
Cushman and Stewart, 1926
identified by scientist   
Neogene
South East Asia

Plectofrondicularia digitalis
(Neugeboren, 1850)
identified by scientist   
Neogene
Pannonian Basin

Plectofrondicularia floridiana
Cushman, 1930
identified by M. Hesemann   
Neogene
Caribbean

Plectofrondicularia helenae
(Chapman, 1941)
identified by scientist   
Quaternary
Banda, Timor and Arafura Sea

Plectofrondicularia raricosta
(Karrer, 1877)
identified by scientist   
Neogene
Pannonian Basin