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  2. Oligochaeta - Wikipedia

    en.wikipedia.org/wiki/Oligochaeta

    Oligochaeta (/ ˌ ɒ l ɪ ɡ ə ˈ k iː t ə,-ɡ oʊ-/) [1] is a subclass of soft-bodied animals in the phylum Annelida, which is made up of many types of aquatic and terrestrial worms, including all of the various earthworms.

  3. Earthworm - Wikipedia

    en.wikipedia.org/wiki/Earthworm

    An earthworm is a soil-dwelling terrestrial invertebrate that belongs to the phylum Annelida. The term is the common name for the largest members of the class (or subclass, depending on the author) Oligochaeta.

  4. Annelid - Wikipedia

    en.wikipedia.org/wiki/Annelid

    Annelids are members of the protostomes, one of the two major superphyla of bilaterian animals – the other is the deuterostomes, which includes vertebrates. [68] Within the protostomes, annelids used to be grouped with arthropods under the super-group Articulata ("jointed animals"), as segmentation is obvious in most members of both phyla ...

  5. List of recently extinct invertebrates - Wikipedia

    en.wikipedia.org/wiki/List_of_recently_extinct...

    Annelids. Extinct species. Japan's earthworm (Amynthas japonicus) [3] Schmarda's earthworm (Tokea orthostichon) [4] [5] [6] Lake Pedder earthworm (Hypolimnus ...

  6. Clitellata - Wikipedia

    en.wikipedia.org/wiki/Clitellata

    The group is divided into the subclasses Oligochaeta and Hirudinea. The oligochaetes contain the tubificids (Naididae, Lumbricidae, and Lumbriculidae - commonly the tube worms and the earthworms. Hirudinea contains leeches (Hirudinida), Acanthobdellida, and Branchiobdellida. [10] Hirudinea is monophyletic, but the clade is embedded among the ...

  7. Leech - Wikipedia

    en.wikipedia.org/wiki/Leech

    The phylogenetic tree of the leeches and their annelid relatives is based on molecular analysis (2019) of DNA sequences. Both the former classes "Polychaeta" (bristly marine worms) and "Oligochaeta" (including the earthworms) are paraphyletic: in each case the complete groups would include all the other groups shown below them in the tree.

  8. Moniligastridae - Wikipedia

    en.wikipedia.org/wiki/Moniligastridae

    This annelid -related article is a stub. You can help Wikipedia by expanding it.

  9. Mesenchytraeus solifugus - Wikipedia

    en.wikipedia.org/wiki/Mesenchytraeus_solifugus

    M. solifugus on Nisqually Glacier, Mount Rainier. Mesenchytraeus solifugus, commonly called an ice worm, is a species of oligochaete worm that inhabits coastal glaciers in northwestern North America.