Nematomorpha
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Nematomorpha are a phylum of parasitoid animals similar to yet distinct from nematode worms in morphology, hence the name. Most species range in size from 5 to 10 centimetres, reaching 2 metres in ext
Paragordius tricuspidatus
Spinochordodes tellinii and its Meconema host
Mermithid worm (Phylum Nematoda), often confused with horsehair worms (Phylum Nematomorpha). Dark structures are eggs, not seen in horsehair worms. Germany 2021.
Ecdysozoa
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Ecdysozoa is a group of protostome animals, including Arthropoda, Nematoda, and several smaller phyla. The grouping of these animal phyla into a single clade was first proposed by Eernisse et al. base
Nematomorpha
…spicules just before the end, apart from having a thinner, smoother cuticle without areoles and paler brown colour. The phylum is placed along with the Ecdysozoa clade of moulting organisms that include the Arthropoda. Their closest relatives are the nematodes. The two phyla make up the group Nematoida in the…
Ecdysozoa