Animalia

kingdom

Tardigrada

phylum

Eutardigrada

class

Heterotardigrada

class

Arthropoda

phylum

Insecta

class

Chilopoda

class

Arachnida

class

Trilobita

class

Diplopoda

class

Collembola

class

Chordata

phylum

Mammalia

class

Aves

class

Testudines

class

Siluriformes

order

Amphibia

class

Lophiiformes

order

Mollusca

phylum

Cephalopoda

class

Gastropoda

class

Bivalvia

class

Polyplacophora

class

Proboscidia

genus

Monoplacophora

class

Nematoda

phylum

Chromadorea

class

Dorylaimida

order

Mermithida

order

Triplonchida

order

Trichinellida

order

Dioctophymatida

order

Porifera

phylum

Hexactinellida

class

Demospongiae

class

Calcarea

class

Homoscleromorpha

class

Thectardis

genus