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词条 Tactopoda
释义

  1. Classification

     Phylogeny 

  2. References

{{Automatic taxobox
| image = Waterbear.jpg
| image_caption = The tardigrade Hypsibius dujardini
| image2 = The Childrens Museum of Indianapolis - Atlantic blue crab.jpg
| image2_caption = The blue crab Callinectes sapidus, an arthropod
| display_parents = 6
| taxon = Tactopoda
| authority = Budd, 2001 [1]
}}Tactopoda is a proposed clade of protostome animals that includes the phyla Tardigrada and Euarthropoda, supported by various morphological observations.[1][2]

The competing hypothesis is Arthropoda (= Euarthropoda + Onychophora)[3]

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 polyphyletic class Maxillopoda
    • Clade Altocrustacea
    • Clade Multicrustacea
    • The rest of polyphyletic 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

{{clade|style=font-size:100%;line-height:100%
|label1=Panarthropoda
|1={{clade
|1=Velvet worms (Onychophora)
|label2=Tactopoda
|2={{clade
|label1=Tardigrada
|1={{clade
|1=Eutardigrada
|2=Heterotardigrada
|3=Mesotardigrada }}
|label2=Arthropoda
|2={{clade
|1=†Trilobitomorpha/Trilobita
|2=?Pycnogonida
|label3=Chelicerata
|3={{clade
|1=Xiphosura
|2={{clade
|1={{clade
|1=†Eurypterida
|2=†Chasmataspidida}}
|2={{clade
|1=Arachnida
|2=?Pycnogonida }} }} }}
|label4=Mandibulata
|4={{clade
|label1=Myriapoda
|1={{clade
|1=Symphyla
|2=Chilopoda
|3={{clade
|1=Diplopoda
|2=Pauropoda }} }}
|label2=Pancrustacea
|2={{clade
|label1=Oligostraca
|1={{clade
|1=Ostracoda
|2=Some of Maxillopoda }}
|label2=Altocrustacea
|2={{clade
|label1=Multicrustacea
|1={{clade
|1=The rest of Maxillopoda
|2=Malacostraca }}
|label2=Allotriocarida
|2={{clade
|label1=Xenocarida
|1={{clade
|1=Remipedia
|2=Cephalocarida }}
|2=Branchiopoda
|label3=Hexapoda
|3={{clade
|label1=Ellipura
|1={{clade
|1=Collembola
|2=Protura }}
|2=?Diplura
|3={{clade
|1=?Diplura
|label2=Ectognatha
|2={{clade
|1=Insecta }} }} }} }} }} }} }} }} }}

}} }}

References

1. ^1 {{cite journal |author=Graham E. Budd |year=2001 |title=Tardigrades as 'stem-group arthropods': the evidence from the Cambrian fauna |journal=Zoologischer Anzeiger |volume=240 |issue=3–4 |pages=265–279 |doi=10.1078/0044-5231-00034 |url=http://faculty.uml.edu/rhochberg/hochberglab/Courses/AdvancedInvertZool/Tardigrada/Tardigrades%20as%20stem%20group%20arthropods.pdf |format=PDF |deadurl=yes |archiveurl=https://web.archive.org/web/20160303170506/http://faculty.uml.edu/rhochberg/hochberglab/Courses/AdvancedInvertZool/Tardigrada/Tardigrades%20as%20stem%20group%20arthropods.pdf |archivedate=2016-03-03 |df= }}
2. ^{{Cite journal | doi = 10.1038/nature13576 | pmid = 25132546 | journal = Nature | volume = 514 | issue = 7522 | pages = 363–366 | last1 = Smith | first1 = M. R. | title = Hallucigenia’s onychophoran-like claws and the case for Tactopoda | last2 = Ortega Hernández | first2 = J. | url = http://rdcu.be/bKoD| year = 2014 }}
3. ^J. Ortega-Hernández, “Making sense of ‘lower’ and ‘upper’ stem-group Euarthropoda, with comments on the strict use of the name Arthropoda von Siebold, 1848,” Biol. Rev., vol. 91, no. 1, pp. 255–273, 2016.
{{Animalia}}{{Protostome-stub}}

2 : Ecdysozoa taxa|Protostome unranked clades
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