Class: Nodosariata    Subclass: Hormosinana    Order: Hormosinida    Family: Hormosinidae
Leptohalysis Loeblich & Tappan, 1984

Leptohalysis catella
(Hoeglund, 1950)
identified by M. Hesemann   
Quaternary
Sea of Japan and around

Leptohalysis scottii
(Chaster, 1892)
identified by scientist   
Quaternary
Norwegian Sea