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Asterias microdiscus ( anglais )

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Asterias microdiscus is a starfish native to the Pacific coasts of Far East Russia.[1]

The species was first described by Alexander Michailovitsch Djakonov in 1950[1][2][3] with the holotype collected in Avacha Bay in the Pacific Ocean, off the southeastern coast of the Kamchatka Peninsula, at a depth of 18m in 6.5°C water, in 1912.[4] Djakonov also named a forma brandtii.[1]

It has also been recovered around Karaginsky Island.[1]

The holotype was found on a silt substrate.[4] It has been found at depths of 3-10m,[1] perhaps 18m.[4]

Description

This starfish has five arms. It has an arm length to 8cm; the ratio between the length of the arm and the radius of its disc is 4.5:1.[1] It has planktonic larvae.[2]

References

  1. ^ a b c d e f Дьяконов, А.М. (1950). Морские звезды морей СССР [Определители по фауне. 34 (Tableaux analytiques de la faune de l'URSS 34)] (in Russian). St. Petersburg: Акаде́мии Нау́к СССР. p. 127.
  2. ^ a b Mah, Christopher L. (2008). "Asterias microdiscus Djakonov, 1950". World Register of Marine Species (WoRMS). Flanders Marine Institute. Retrieved 13 November 2019.
  3. ^ Jangoux, Michel; Lawrence, John M. (1 June 2001). Echinoderm studies 6. CRC Press. p. 262. ISBN 9789058093011.
  4. ^ a b c Smirnov, Igor S. (2019). "Sea Stars (Asteroidea) Catalogue • Asterias". Research Collections of the Zoological Institute RAS. Zoological Institute of the Russian Academy of Sciences. Retrieved 13 November 2019.
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Asterias microdiscus: Brief Summary ( anglais )

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Asterias microdiscus is a starfish native to the Pacific coasts of Far East Russia.

The species was first described by Alexander Michailovitsch Djakonov in 1950 with the holotype collected in Avacha Bay in the Pacific Ocean, off the southeastern coast of the Kamchatka Peninsula, at a depth of 18m in 6.5°C water, in 1912. Djakonov also named a forma brandtii.

It has also been recovered around Karaginsky Island.

The holotype was found on a silt substrate. It has been found at depths of 3-10m, perhaps 18m.

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Asterias microdiscus ( néerlandais ; flamand )

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Asterias microdiscus is een zeester uit de familie Asteriidae.

De wetenschappelijke naam van de soort werd in 1950 gepubliceerd door Alexander Michailovitsch Djakonov.

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Geplaatst op:
15-12-2011
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