Retortomonadida

organism

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July 23, 2026

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Retortamonadida are a group of protozoan organisms that are classified within the Excavata supergroup. These organisms are unique in that they possess a nuclear papillum, or "lapel," connected to their flagellar apparatus. Retortamonadida do not have typical mitochondria. They are typically found in digestive systems, similar to Diplomonads, which are also zooflagellates that inhabit the digestive tracts of animals and are characterized by having two nuclei, each with four flagella.12

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protozoan
Annotated classification
Retortamonadida Contain 2 genera that are unique on the basis of a nuclear papillum or “lapel,” which is connected to the flagellar apparatus; do not possess typical mitochondria. Malawimonas Possess mitochondria, 2 kinetosomes, and a single ventral flagellar vane.
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Retortamonadida Contain 2 genera that are unique on the basis of a nuclear papillum or “lapel,” which is connected to the flagellar apparatus; do not possess typical mitochondria. Malawimonas Possess mitochondria, 2 kinetosomes, and a single ventral flagellar vane.
Read More