Chaetognatha


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Noun1.Chaetognatha - arrowworms: a group of small active transparent marine wormsChaetognatha - arrowworms: a group of small active transparent marine worms
animal kingdom, Animalia, kingdom Animalia - taxonomic kingdom comprising all living or extinct animals
arrowworm, chaetognath - any worm of the Chaetognatha; transparent marine worm with horizontal lateral and caudal fins and a row of movable curved spines at each side of the mouth
genus Sagitta - chief genus of Chaetognatha including the largest arrowworms
genus Spadella - marine worms resembling the sagittas but with a broader body and only one pair of lateral fins
phylum - (biology) the major taxonomic group of animals and plants; contains classes
References in periodicals archive ?
Among the holoplankton; copepoda, appendicularia, chaetognatha, doliolida, medusae, pteropoda, salpidae and siphonophora were encountered in every season, amphipoda was encountered in spring and winter, cumacea was encountered in winter, foraminifera was encountered in summer, autumn and winter, heteropoda and ostracoda was encountered in spring, autumn and winter, and radiolaria was encountered in spring and winter.
Chaetognatha, Euphausiacea, Scyphozoa) were removed so that only benthic invertebrates were included in the sample analysis.
2 and 5 Other Metazoa Phyla Other Eukaryote Phyla Chaetognatha Ciliophora Ctenophora Other Alvelata Entoprocta Amoebozoa Hemichordata Cryptophyta Loricifera Loukozoa Gnathifera Glaucophyta Onochophora Choanozoa Porifera Picozoa Rotifera Foraminifera Xenoturbeiidea Rhodophyta Acanthocephala Myzozoa Chordata Apusozoa Cycliophora Heliozoa Gnathostomulida Percolozoa Kinohycha Euglenozoa Mesozoa Haptophyta Nematomorpha Metamunada Placozoa Cercozoa Priapulida Radiozoa Sipuncula Uncultured unicellular Uncultured Metazoa Eukaryote
Polychaeta y Chaetognatha Del Pacifico Colombiano, Cruceros Oceanograficos Pacifico XXIX-ERFEN XXVII / MAYO-98; PACIFICO XXX-ERFEN XXVIII / OCTUBRE-98 Y PACIFICO XXXI-ERFEN XXIX / MAYO-99.
260 [+ or -] 340 Corycaeus (Corycaeus) specious Dana, 1849 Hemicyclops thalassius 110 [+ or -] 90 150 [+ or -] 150 1966 Vervoort & Ramirez, Monstrilloida NI 10 [+ or -] 10 Cirripedia (Cypris) 50 [+ or -] 70 Isopoda 10 [+ or -] 10 50 [+ or -] 60 Cumacea Amphipoda Caprelidae Decapoda (Zoea) 120 [+ or -] 170 430 [+ or -] 360 Decapoda (Larvae) Lucifer faxoni 19 [+ or -] 26 45 [+ or -] 27 Borradaile, 1915 Palinuridae (Phylossoma) Brachyura (Zoea) 43 [+ or -] 61 39 [+ or -] 16 Brachyura (Megalopa) 10 [+ or -] 14 Bryozoa (Cyphonauta) 10 [+ or -] 10 Echinoidea (Pluteus) 20 [+ or -] 20 40 [+ or -] 40 Chaetognatha 29 [+ or -] 41 44 [+ or -] 39 Larvacea (Oikopleura spp.
Volume III: Introduction, Cephalopoda, Annelida, Crustacea, Chaetognatha, Echinodermata, Urochordata.
Twenty-one species from the phyla Annelida, Mollusca, Arthropoda, Platyhelminthes, and Chaetognatha were identified from the experiments (Table 1).
which contributed to the high densities in SSB1, and zooplankton such as copepods there is high densities, as well as the presence of representatives of other groups such as Cladocera, Chaetognatha and Tunicata.
The Invertebrates: Smaller Coelomate Groups: Chaetognatha, Hemichordata, Pogonophora, Phoronida, Ectoprocta, Brachipoda, Sipunculida, the Coelomate Bilateria.
TABLE 2 Number species per taxonomic group Number of species Cyanobacteria 5 Bacillariophyta 3 Dinoflagellata 14 Chlorophyta 10 Rhodophyta 28 Ochrophyta 6 Magnoliophyta 5 Protozoa: Foraminifera 33 Cnidaria 100 Anthozoa 23 Scyphozoa 2 Hydrozoa 75 Ctenophora 1 Plathyhelminthes 9 Acanthocephala 2 Nematoda 1 Annelida 4 Sipunculida 2 Mollusca 93 Bivalvia 55 Gastropoda 38 Crustacea 147 Malacostraca 101 Decapoda 94 Maxillopoda 44 Other Crustacea 2 Pycnogonida 1 Bryozoa 9 Echinodermata 11 Chaetognatha 1 Chordata 92 Fishes 82 TOTAL 577 Fig.