Are the genera of Nematomorpha monophyletic taxa? Zoologica Scripta 31:185-200.Įach ToL branch page provides a synopsis of the characteristics ofĪ group of organisms representing a branch of the Tree of Life. Horsehair worms (Nematomorpha) as parasites of praying mantids with a discussion of their life cycle. This has led many investigators to suggest that infections are acquired through the ingestion of insects, which become infected as aquatic larvae with gordiid cysts and subsequently carry. However, epibenthic aquatic larvae and their terrestrial definitive hosts do not overlap in habitat. One genus, Nectonema, is marine, whereas the. To complete their life cycle, gordiids must make a transition from aquatic to terrestrial environments. All members are developmental parasites of aquatic or terrestrial invertebrates. The phylum Nematomorpha comprises two classes: The freshwater Gordian worms Gordiaceae consisting of 12 genera and the marine hairworms Nectonematoidea with a single genus Nectonema including five species. Phylogenetic relationships of the Nematomorpha - a discussion of current hypothesis. Abstract The phylum Nematomorpha, the hairworms, occurs worldwide. Zwick (eds.) Gustav Fischer Verlag, Stuttgart, Germany, 124 pp. The nervous system of Nectonema munidae and Gordius aquaticus, with implications for the ground pattern of the Nematomorpha. Zur Morphologie, Biologie und Phylogenie der Nematomorpha. Pages 197–218 in: Microscopic Anatomy of Invertebrates.
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