Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Parazoa
Porifera (Sponges)
Hexactinellid (Hexactinellida)
Hexasterophora
Lyssacinosida
Rossellidae
Rossellinae
Trichasterina (4140826)
Children (2 direct children, 2 direct and indirect children):
Trichasterina borealis
Trichasterina sagittaria