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Noun

Chaetognatha - 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

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References in periodicals archive

Invertebrate zoologists consider the phyla Dicyemida, Orthonectida, Placozoa, Cycliophora, Entoprocta (Kamptozoa), Chaetognatha, Pterobranchia, and Enteropneusta along with the order Seisonidae.

Miscellaneous Invertebrates

Chaetognatha, Thaliacea, Euphausiacea and Pelagic Polychaeta in the Colombian Pacific Ocean, during two periods in 1996 (La Nina) and two periods in 1997 (El Nino).

Distribucion espacial de Eufausidos (Euphausiacea) en la Isla Malpelo, Pacifico Tropical de Colombia

Chaetognatha of the Namibian Upwelling Region: taxonomy, distribution and trophic position.

Carbon isotope values in conodont elements from the latest Devonian--Early Carboniferous carbonate platform facies (Timan-Pechora Basin)

In total, 61 holoplankton taxa belonging to 7 categories: Protozoa, Cnidaria, Rotifera, Crustacea (Copepoda, Cladocera, Ostracoda, Amphipoda and Mysidacea), Chaetognatha, Mollusca, Larvacea, and 8 different types of meroplankton were also recorded (Table IV).

Environmental Determinants of Zooplankton Community in the Damietta Estuary of the Nile River, Egypt

Shiphonophora, Heteropoda, Copepoda, Euphausiacea, Chaetognatha and Salpidae.

Composicion y abundancia del zooplancton en la laguna El Morro, Isla de Margarita, Venezuela

Distribution and biomass of arrow worms (Chaetognatha) in Golfo de Nieoya and Golfo Dulce, Costa Rica.

Physical, chemical and zooplankton biomass variability (inshore-offshore) of Mexican Central Pacific during El Nino-La Nina 2010

Chaetognatha 0.36 0.18 <.01 0.07 Cnidaria Echiura Glottidia pyramidata Sipuncula Tubificidae Total 100 100 Southern kingfish %F %N %W IRI Bony fishes 24.5 7.6 21.87 722.02 Actinopterygii 20.1 6.78 9.82 333.68 Anchoa hepsetus 0.25 0.09 0.38 0.12 Anchoa mitchilli 0.25 0.03 0.3 0.08 Anchoa spp.

Diet composition, feeding strategy, and diet overlap of 3 sciaenids along the southeastern United States

Fish and planktonic invertebrates that were accidentally collected by the trawl (e.g., Chaetognatha, Euphausiacea, Scyphozoa) were removed so that only benthic invertebrates were included in the sample analysis.

Regional variability of megabenthic community structure across the Canadian Arctic

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 Acknowledgments

High-throughput sequencing characterizes intertidal meiofaunal communities in Northern Gulf of Mexico (Dauphin Island and Mobile Bay, Alabama)

The number of OL (by-catch) comprising largely of the larvacean; Oikopleura spp., the chaetognatha; Parasagitta (Sagittidae) spp., crab larvae and fish larvae are presented in Table 2.

Ecological and biodiversity friendly approach to post larval shrimp (PLS) collection in Ghana