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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
Atrypida

Atrypinidae (21291730)

Children (10 direct children, 15 direct and indirect children):

Gracianella

Spirigerininae

Pectenospirinae

Clintonellinae

Atrypininae

Plectatrypinae

Atrypina (tree size 1)

Eospirigerina (tree size 2)

Plectatrypa (tree size 1)

Rongatrypa (tree size 1)