Suctoria
noun plural
Suc·to·ria
ˌsək-ˈtōr-ē-ə 
: a class of complex protozoans (phylum or subphylum Ciliophora) which in the mature form are fixed to the substrate, lack locomotor organelles or a mouth, and obtain food through specialized suctorial tentacles
Cite this Entry
“Suctoria.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Suctoria. Accessed 31 Oct. 2025.
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