gastrotrich


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gastrotrich

any minute aquatic multicellur animal of the phylum Gastrotricha, comprising unsegmented, worm-like organisms whose locomotion is brought about by epidermal cilia. They have some affinities with ROTIFIERS and NEMATODES.
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Other groups included turbellarians, polychaetes, oligochaetes, gastrotrichs, isopods, Kinorhyncha, and cnidarians.
Ecology of interstitial faunal assemblage from the beaches along the coast of Kerala, India
Accepted morphological homologies supporting gastrotrich monophyly include the presence of unique, cuticle-covered duo-gland adhesive organs (Tyler and Rieger, 1980), a multilayered epicuticle (Rieger and Rieger, 1977), and cuticle-covered locomotory and sensory cilia (Rieger and Rieger, 1977).
Phylogeny of Gastrotricha: a Morphology-Based Framework of Gastrotrich Relationships
Nematodes, nauplii larvae, copepods, acari and gastrotrichs were recorded at all stations.
Composition and vertical distribution of metazoan meiofauna assemblages on the continental shelf off central Chile/Composicion y distribucion vertical de los ensambles de meiofauna metazoaria en la plataforma continental frente a Chile central
The suitability of HMDS for drying biological specimens has been shown on insects (Nation 1983, Heraty & Hawks 1998), aquatic organisms (shrimp eggs, daphnids, gastrotrichs) (Moraes & Bouzon 1995, Hochberg & Litvaitis 2000, Laforsh & Tollrian 2000), organic microstructures on bivalve shells (Schone & Bentley 2002), pollen (Chissoe et al.
Preparation of large bivalve specimens for scanning electron microscopy using hexamethyldisilazane (HMDS)
Phylum 4 Gastrotricha (Gastrotrichs) incertae sedis (Xenoturbellids, Buddenbrockids, and Lobatocerebrids)
Appendices
The biology and ecology of lotic rotifers and gastrotrichs. Freshw.
Morphology of the muscle articulation joint between the hooks of a flatworm (Kalyptorhynchia, Cheliplana sp.)
The absence of a true midpiece evolved convergently in different metazoan phyla such as gastrotrichs (Marotta et al., 2005) or chordates (Fukomoto, 1981).
Spermatozoa and sperm aggregates in the vestimentiferan Lamellibrachia luymesi compared with those of Riftia pachyptila (Polychaeta: Siboglinidae: Vestimentifera)
A test of this idea might be to look for the expression of members of this gene family in the pharyngeal pores of macrodasyid gastrotrichs (Ruppert and Barnes, 1994) to see if the gene is responsible for pores or openings in the pharynx in general, rather than having an expression that is specific to deuterostome gill pores.
Particle retention and flow in the pharynx of the enteropneust worm Harrimania planktophilus: the filter-feeding pharynx may have evolved before the chordates

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