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Toggle Class Secernentea subsection. ... List of Nematoda has 25,000 recorded species from the Nematode phylum. There are estimated to be a million.
Nematoida is a clade of pseudocoelomate free living or parasitic animals.It consists of phyla Nematoda and Nematomorpha. [3] [4] The two groups share a number of features in common; the presence of a cloaca in both sexes, aflagellate sperm, and a cuticle made of collagen.
The nematodes (/ ˈ n ɛ m ə t oʊ d z / NEM-ə-tohdz or NEEM-; Ancient Greek: Νηματώδη; Latin: Nematoda), roundworms or eelworms constitute the phylum Nematoda. Species in the phylum inhabit a broad range of environments. Most species are free-living, feeding on microorganisms, but many are parasitic.
Phylum: Nematoda: Class: Chromadorea: ... The Rhabditidae are a family of nematodes which includes the model ... Oscheius tipulae (Lam and Webster, 1971) [8] [9 ...
Rhabditida is an order of free-living, parasitic and microbivorous nematodes living in soil. The Cephalobidae , Panagrolaimidae , Steinernematidae , and Strongyloididae seem to be closer to the Tylenchia , regardless of whether these are merged with the Rhabditia or not.
The Chromadorea are a class of the roundworm phylum, Nematoda.They contain a single subclass (Chromadoria) and several orders.With such a redundant arrangement, the Chromadoria are liable to be divided if the orders are found to form several clades, or abandoned if they are found to constitute a single radiation.
Enoplea (enopleans) is a class, which with the classes Secernentea [1] and Chromadorea make up the phylum Nematoda in current taxonomy. [2] [3] [4] The Enoplea are considered to be a more ancestral group than the Chromadorea, and researchers have referred to its members as the "ancestrally diverged nematodes", compared to the "more recently diverged nematodes" of Chromadorea.
The Enoplia are a subclass of nematodes in the class ... Vida, J. T.; Thomas, W. Kelley (5 March 1998). "A molecular evolutionary framework for the phylum Nematoda".