A few types of fossil Elphidium , a fossilised foraminifera :
1, 4 Elphidium sculpturatum (Cushm.)
2, 3, 6, 7 Elphidium minutum (Reuss)
5 Elphidium lessonii (d'Orb)
8, 9 Elphidium advenum (Cushm.)
10, 11 Elphidium mironovi (Volosch.)
12-14 Elphidium angulatum (Egger)
15 Elphidium josephinum (d'Orb)
16-19 Elphidium microelegans(Serova)
20-22 Elphidium listeri (d'Orb)