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Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Parazoa
Porifera (Sponges)
Cellularia
Demospongiae (Demosponge)
Lithistida
Axinellida
Axinellidae

Ptilocaulis (3466143)

Children (17 direct children, 17 direct and indirect children):

Ptilocaulis walpersi

Ptilocaulis bistyla

Ptilocaulis marquezi

Ptilocaulis trachys

Ptilocaulis fosteri

Ptilocaulis spiculifer

Ptilocaulis digitatus

Ptilocaulis echidnaeus

Ptilocaulis arbora

Ptilocaulis aulopora

Ptilocaulis braziliensis

Ptilocaulis epakros

Ptilocaulis fusiformis

Ptilocaulis flexibilis

Ptilocaulis marquezii

Ptilocaulis walpersii

Ptilocaulis spiculifer