Sagitta (arrowworm)

{{Short description|Genus of marine worms}} {{Automatic taxobox |image = MEB back.png |image_caption = ''Sagitta'' sp. |taxon = Sagitta |authority = Quoy & Gaimard, 1827 |subdivision_ranks = Species |subdivision = See text |synonyms = ''Abaciasagitta'' }}

'''''Sagitta''''' is a genus of [[Chaetognatha]], a phylum commonly known as arrowworms or arrow worms. Phylum Chaetognatha comprises small marine worms.

This genus is characterized in part by the distribution of the cilia on the body, the thick rays in the fins, and hooks which are not serrated.<ref name=kassa>Kassatkina, A. P. (2007). [http://www.zin.ru/Journals/zsr/content/2007/zr_2007_16_2_Kassatkina.pdf Review of the genera of the family Sagittidae with separation of a new subfamily and description of a new species of the genus ''Sagitta'' from the Sea of Japan (Chaetognatha).] ''Zoosystematica Rossica'', 16(2), 157-162.</ref>

As of 2007 there are 15 species.<ref name=kassa/> More have since been described.<ref name=kassa08>Kassatkina, A. P. (2008). [http://www.zin.ru/Journals/zsr/content/2007/zr_2007_16_2_Kassatkina.pdf New species of the genus ''Sagitta sensu str''.(Chaetognatha) from the Sea of Japan with description of an original staining and dissection technique.] ''Zoosystematica Rossica'', 17(1): 3-6.</ref>

Species include: *''[[Sagitta abyssicola]]'' *''[[Sagitta bedoti]]'' *''[[Sagitta bipunctata]]'' – <small>[[:C:Category:Sagitta bipunctata|Commons]]</small> *''[[Sagitta bruuni]]'' *''[[Sagitta euneritica]]'' *''[[Sagitta euxina]]'' *''[[Sagitta glacialis]]'' **''S. g. baltica'' **''S. g. glacialis'' *''[[Sagitta izuensis]]'' *''[[Sagitta kussakini]]'' *''[[Sagitta modesta]]'' *''[[Sagitta nagae]]'' *''[[Sagitta nutana]]'' *''[[Sagitta pulchra]]'' *''[[Sagitta sceptrum]]'' *''[[Sagitta setosa]]'' *''[[Sagitta sublica]]''

==References== {{Reflist}}

==External links== {{Commons category-inline}}

[[Category:Chaetognatha]]