Pediglissa
{{Short description|Subclass of protists}}
{{Automatic taxobox|taxon=Pediglissa|authority=Cavalier-Smith, 2018|subdivision_ranks=Orders|subdivision=
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Pediglissa ({{etymology|grc|πέδον|soil||||fr|glisser|to glide}}) is a subclass of phagotrophic protists that inhabit soil or freshwater habitats. They were defined in 2018 according to phylogenetic analyses that showed a clade containing the orders Cercomonadida and Glissomonadida. They're the sister group of Paracercomonadida.
Morphology and behavior
Pediglissa are biciliate protists that glide on their posterior cilium and have a strong tendency to become amoeboid during feeding, unlike the metromonads. Their pseudopodia are more often shaped like rounded lamellae than finger-like or filose pseudopodia, unlike the paracercomonads. Their anterior cilium is often well developed, unlike in helkesids, but can be short in glissomonads; it moves with an undulating oar-like beat. The trophic cells (i.e. feeding forms) are naked, without a theca, scales, or perles, unlike in Thecofilosea and many freshwater Imbricatea.
Diversity
References
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