Related how?

Biota (Life)
Eukaryote (Eukarya)
Protozoa (Protozoans)
Sarcomastigota
Amoebozoa
Tubulinea
Arcellinida (Testate lobose amoebae)
Difflugina
Difflugiidae
Cucurbitella (Cucurbitella penard, 1902)

Cucurbitella asperata (15533326)