Related how?

Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Nephrozoa (Eubilateria)
Protostome (Protostomia)
Spiralia (Spiralians)
Lophotrochozoa
Brachiozoa (Phoronozoa)
Brachiopoda (Lamp shell)
Rhynchonelliformea
Rhynchonellata
Spiriferida
Delthyridina
Delthyridoidea

Delthyrididae (21219086)

Children (7 direct children, 10 direct and indirect children):

Howellellinae

Delthyridinae

Spinellinae

Kozlowskiellininae

Delthyris (tree size 2)

Howellella (tree size 1)

Euryspirifer