Robuta

https://marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=490083

Foraminifera - Amphistegina lobifera Larsen, 1976

foraminifera amphistegina larsen

https://marinespecies.org/Foraminifera/aphia.php?p=taxdetails&id=112863

Foraminifera - Amphistegina gibbosa d'Orbigny, 1839

foraminifera amphistegina gibbosa orbigny

https://marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=484791

Foraminifera - Amphistegina bicirculata Larsen, 1976

foraminifera amphistegina larsen