Paramoebidiidae
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| Paramoebidiidae | |
|---|---|
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Scientific classification  | |
| Domain: | Eukaryota |
| Clade: | Obazoa |
| Clade: | Opisthokonta |
| Class: | Ichthyosporea |
| Order: | Eccrinida |
| Family: | Paramoebidiidae Reynolds et al. 2017 |
| Genus | |
Paramoebidiidae[1] is a family of single-celled eukaryotes, previously thought to be zygomycete fungi belonging to the class Trichomycetes,[2] but molecular phylogenetic analyses place the family with the opisthokont group Mesomycetozoea[3] (= Ichthyosporea[4]). The family was originally called Amoebidiaceae, and considered the sole family of the fungal order Amoebidiales that included two genera, Amoebidium and Paramoebidium.[2] However, Paramoebidium is now the sole genus of the family Paramoebidiidae and Amoebidiidae is likewise monogeneric as it was recently emended to include only Amoebidium.[1] Species of Paramoebidium are obligate symbionts of immature freshwater-dwelling arthropod hosts such as mayfly and stonefly nymphs and black fly larvae. Paramoebidium species attach to the digestive tract lining of their host via a secreted holdfast.