Tetracladina

Tetractinomorpha Tetracladina Astrocladiidae Aulaxiniidae Chenendoporidae Discodermiidae Hallirhoidae Jereidae Plinthosellidae

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Tetractinomorpha

Demospongiae (Gewone sponzen) Tetractinomorpha Astrophorida Chondrosida Epipolasida Hadromerida Lithistida Orchocladina Spirophorida Tetracladina Tetralithistida

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Tetralithistida

Tetractinomorpha Tetralithistida Astrocladiidae Chenendoporidae Corallistidae Phymaraphiniidae Plinthosellidae Siphoniidae Theonellidae

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Tetrapoda

Teleostomi Tetrapoda Amphibia (Amfibieën) Amniota

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