Tactopoda

Tactopoda
The tardigrade Hypsibius dujardini
The blue crab Callinectes sapidus, an arthropod
Scientific classification
Kingdom:	Animalia
Subkingdom:	Eumetazoa
Superphylum:	Ecdysozoa

Tactopoda is a proposed clade of protostome animals that includes the phyla Tardigrada and Euarthropoda, supported by various morphological observations.^[1][2]

Classification

• Phylum Tardigrada
  • Class Eutardigrada
  • Class Heterotardigrada
  • Class Mesotardigrada
• Phylum Arthropoda
  • Class Pycnogonida (?)
  • Clade Arachnomorpha
    • Class †Trilobita
    • Order †Aglaspida
    • Order †Strabopida
    • Class Pycnogonida (?)
    • Order †Cheloniellida
    • Subphylum Chelicerata
      • Class Xiphosura
      • Class †Eurypterida
      • Class †Chasmataspidida
      • Class Pycnogonida (?)
      • Class Arachnida
  • Clade Mandibulata
    • Order †Euthycarcinoidea
    • Subphylum Myriapoda
      • Class Chilopoda
      • Class Symphyla
      • Class Diplopoda
      • Class Pauropoda
    • Clade Pancrustacea
      • Clade Oligostraca
        • Class Ostracoda
        • Some of paraphyletic class Maxillopoda
      • Clade Altocrustacea
        • Clade Multicrustacea
          • The rest of paraphyletic class Maxillopoda
          • Class Malacostraca
        • Clade Allotriocarida
          • Class Branchiopoda
          • Clade Miracrustacea
            • Superclass Xenocarida
              • Class Cephalocarida
              • Class Remipedia
            • Subphylum Hexapoda
              • Paraphyletic class Entognatha
              • Clade Ectognatha
                • Class Insecta

Phylogeny

References