Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Rhizaria
Foraminifera
Tubothalamea
Spirillinida

Spirillinina (21020783)

Children (2 direct children, 151 direct and indirect children):

Spirillinidae (tree size 122)

Patellinidae (tree size 27)