Gnathifera (clade)
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Gnathifera (from the Greek gnáthos, “jaw”, and the Latin -fera, “bearing”) is a clade of generally small spiralians characterized by complex jaws made of chitin. It comprises the phyla Gnathostomulida, Rotifera and Micrognathozoa.[1] Chaetognatha has recently been recognised as closely related to the group, with it either being included within Gnathifera[1] or the broader group Chaetognathifera.[2] It may also include the Cycliophora.[3]
Quick Facts Scientific classification, Phyla ...
Gnathifera | |
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Pseudosagitta maxima (Chaetognatha) | |
Brachionus quadridentatus (Rotifera) | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Clade: | Bilateria |
Clade: | Nephrozoa |
(unranked): | Protostomia |
(unranked): | Spiralia |
Clade: | Gnathifera Ahlrichs, 1995 |
Phyla | |
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Gnathiferans include some of the most abundant phyla. Rotifers are among the most diverse and abundant freshwater animals and chaetognaths are among the most abundant marine plankton.[4][5]