Mikko's Phylogeny Archive

Gnathostomulida

Main Groups of Organisms

After Sørensen, 2002 [fig. 2.]

<==o Gnathostomulida (kampaleukamadot)
   |--o Filospermoidea
   |  |-- Haplognathia [Haplognathiidae]
   |  `--o Pterognathiidae
   |     |-- Cosmognathia
   |     `-- Pterognathia
   `--o Bursovaginoidea
      |-- Paudicentula [Paudicentulidae]
      `--+--o Onychognathiidae
         |  |-- Nanognathia
         |  `--+-- Vampyrognathia
         |     `--+-- Onychognathia
         |        `--+-- Rastrognathia [Rastrognathiidae]
         |           `-- Valvognathia
         `--+--+-- Gnathostomaria [Gnathostomariidae]
            |  `--+-- Goannagnathia
            |     `--+--o Mesognathariidae
            |        |  |-- Tenuignathia
            |        |  `--+-- Lapidognathia
            |        |     `-- Mesognatharia
            |        `--+-- Clausognathia [Clausognathiidae]
            |           `--o Agnathiellidae
            |              |-- Paragnathiella
            |              `-- Agnathiella
            `--+-- Problognathia [Problognathiidae]
               `--+--o Gnathostomulidae
                  |  |-- Corculognathia
                  |  `--+-- Ratugnathia
                  |     `--+-- Semaeognathia
                  |        `-- Gnathostomula [incl. Remanella paradoxa Meixner, nomen nudum]
                  `--o Austrognathiidae [Conophoralia]
                     |-- Triplignathia
                     `--+-- Austrognatharia
                        `-- Austrognathia

Reference(s):

• Parker, S. P. (ed.), 1982: Synopsis and classification of living organisms. Vols. 1 & 2
  –McGrew-Hill Book Company
• Sørensen, M. V., 2002: Phylogeny and jaw evolution in Gnathostomulida, with a cladistic analysis of the genera.
  –Zoologica Scripta: Vol. 31, #5, pp. 461-480

 

© Mikko Haaramo, | http://www.mv.helsinki.fi/home/mhaaramo | Content updated 2003-02-12 | Page modified 2019-02-27