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Arrow worms are small marine planktonic animals of the phylum Chaetognatha found in tropical seas. Most of The anatomy of an arrow worm.Illustration by Hans & Cassidy. Courtesy of Gale Group. the 50 species of arrow worms belong to the genus Sagitta.
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science.jrank.org/pages/513/Arrow-Worms.html
science.jrank.org/pages/513/Arrow-Worms.html
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The origins of the arrow worms have long been obscure, but molecular studies are finally bringing the true evolutionary position of these beautiful marine predators into sharper focus. ... The arrow worms are strikingly beautiful marine animals. Their transparent, slender bodies appear under the microscope like darting...
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www.nature.com/nature/journal/v431/n7006/full/431254b.h...
www.nature.com/nature/journal/v431/n7006/full/431254b.html
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An introduction to the biology, classification and ecology of Arrow Worms the phylum Chaetognatha ... ; Characteristics of Chaetognatha:-; 1)Bilaterally symmetrical and vermiform. 2)Body has more than two cell layers, ... The Chaetognatha are a small (just over 100 species have been named) though unusual group of animals,
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www.earthlife.net/inverts/chaetognatha.html
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This is Caecosagitta macrocephala, the only species of chaetognath (arrow worm) which is bioluminescent. The species is quite common at around 700 meters depth in the Pacific and Atlantic Oceans, but its luminescence was only discovered in the 1990s. (Read more about it here.) (Approx length 2.5 cm)
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www.lifesci.ucsb.edu/~biolum/organism/pictures/chaeto.h...
www.lifesci.ucsb.edu/~biolum/organism/pictures/chaeto.html
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Sagitta-arrow worm and a finger; ... Magnified arrow worm and a finger (same scale). ... Sagitta-arrow worm Other names...
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www.vattenkikaren.gu.se/fakta/arter/chaetogn/sagitta/sa...
www.vattenkikaren.gu.se/fakta/arter/chaetogn/sagitta/sagiste.html
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Eukrohnia-arrow worm; - fam. Eukrohnia ... Scientific names: The Latin prefix eu- means real and true, followed by a Latinisation of the 18th centuary Russian biologist August David Krohn. ... Home Contents Inspiration Facts Collaboration...
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www.vattenkikaren.gu.se/Fakta/arter/chaetogn/eukrohni/e...
www.vattenkikaren.gu.se/Fakta/arter/chaetogn/eukrohni/eukrne.html
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Chaetognatha - Arrow Worms ... The general shape of a chaetognath resembles an arrow; hence, their common name is "arrow worms". Chaetognaths exhibit bilateral symmetry and are typically transparent. The body is divided morphologically into three well-differentiated regions: ... ^BATS Home; Arrow Worm; Links; Species List...
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www.vims.edu/bio/zooplankton/BATS/Chaetognatha/index.ht...
www.vims.edu/bio/zooplankton/BATS/Chaetognatha/index.html
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Your browser version may not work well with NCBI's Web applications. More information here... ... Cited by PubMed Central articles ... Early Cambrian origin of modern food webs: evidence from predator arrow worms.
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www.ncbi.nlm.nih.gov/pubmed/12364798
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TOP > J-EAST > List of Journal Titles (Z) > Zool Sci(2002) > EST Analysis of Gene Expression in Hatchling of the Arrow Worm Paraspadella gotoi (Chaetognatha).
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sciencelinks.jp/j-east/article/200310/000020031003A0191...
sciencelinks.jp/j-east/article/200310/000020031003A0191097.php
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