Islandiella algida
(Cushman, 1944)
type specimen   holotype
Quaternary
off East Canada to VA-USA

Islandiella californica
(Cushman & Hughes, 1925)
type specimen   holotype
Neogene

Islandiella californica
(Cushman & Hughes, 1925)
identified by scientist   
Quaternary
off Brazil

Islandiella helenae
Feyling-Hanssen & Buzas, 1976
identified by M. Hesemann   
Quaternary
Greater North Sea

Islandiella japonica
(Asano & Nakamura, 1937)
identified by scientist   
Quaternary
Banda, Timor and Arafura Sea

Islandiella modeloensis
(Rankin Ms., 1934)
type specimen   holotype
Neogene

Islandiella norcrossi
(Cushman, 1933)
type specimen   holotype
Quaternary
Greenland Sea

Islandiella norcrossi
(Cushman, 1933)
identified by scientist   
Quaternary
Laptev Sea

Islandiella punctata
(Reuss, 1850)
identified by scientist   
Neogene
Transylvanian Basin

Islandiella sp.
---
identified by scientist   
Quaternary
Laptev Sea