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Sagitta (arrowworm)

From Wikipedia, the free encyclopedia

Sagitta
Sagitta sp.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chaetognatha
Class: Sagittoidea
Order: Aphragmophora
Family: Sagittidae
Genus: Sagitta
Quoy & Gaimard, 1827
Species

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.[1]

As of 2007 there are 15 species.[1] More have since been described.[2]

Species include:

  • Sagitta abyssicola
  • Sagitta bedoti
  • Sagitta bipunctata – Commons
  • 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

YouTube Encyclopedic

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  • copepod caught by chaetognath under dissecting microscope

Transcription

References

  1. ^ a b Kassatkina, A. P. (2007). 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.
  2. ^ Kassatkina, A. P. (2008). 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.

External links

Media related to Sagitta (genus) at Wikimedia Commons

This page was last edited on 13 October 2023, at 19:55
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