Luidia [1] ( Latin: Luidia ) is a genus of starfish from the order of paxilloniferous starfish . It stands out in the monotypic family Luidiidae [2] . One of the most primitive modern starfish.
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 Luidia senegalensis | ||||||||||||||
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| Luidia Forbes , 1839 | ||||||||||||||
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Content
Description
The rays are long and flexible, bordered by numerous needles, their number in different species varies from 5 to 11. The color is usually soft grayish or greenish brown. Ambulacral legs without suction cups. Papules have the appearance of branching outgrowths, and not simple protrusions of the skin, like all other starfish.
Habitat and habitat
They live in shallow depths of warm and tropical seas. The sandy bottom is inhabited, on which they crawl not only along its surface, but also buried in the thickness of the sand.
Power
They feed mainly on ophiuras and sea urchins , which are swallowed whole. In the stomachs of Luidia, dozens of ophiur were often found.
Types
There are 49 species in the genus Luidia [3] :
- Luidia alternata (Say, 1825)
- Luidia amurensis Döderlein, 1920
- Luidia armata Ludwig, 1905
- Luidia aspera Sladen, 1889
- Luidia asthenosoma fisher, 1906
- Luidia atlantidea Madsen, 1950
- Luidia australiae Döderlein, 1920
- Luidia avicularia fisher, 1913
- Luidia barbadensis Perrier, 1881
- Luidia bellonae Lütken, 1865
- Luidia changi Liu, Liao & Li, 2006
- Luidia ciliaris (Philippi, 1837)
- Luidia clathrata (Say, 1825)
- Luidia columbia (Gray, 1840)
- Luidia denudata Koehler, 1910
- Luidia difficilis Liu, Liao & Li, 2006
- Luidia ferruginea Ludwig, 1905
- Luidia foliolata (Grube, 1866)
- Luidia gymnochora fisher, 1913
- Luidia hardwicki (Gray, 1840)
- Luidia herdmani AM Clark, 1953
- Luidia heterozona fisher, 1940
- Luidia hexactis HL Clark, 1938
- Luidia inarmata Döderlein, 1920
- Luidia integra Koehler, 1910
- Luidia latiradiata (Gray, 1871)
- Luidia lawrencei Hopkins & Knott, 2010
- Luidia longispina Sladen, 1889
- Luidia ludwigi fisher, 1906
- Luidia maculata Müller & Troschel, 1842
- Luidia magellanica Leipoldt, 1895
- Luidia magnifica fisher, 1906
- Luidia mauritiensis Koehler, 1910
- Luidia neozelanica Mortensen, 1925
- Luidia orientalis fisher, 1913
- Luidia patriae Bernasconi, 1941
- Luidia penangensis deLoriol, 1891
- Luidia phragma HL Clark, 1910
- Luidia porteri AH Clark, 1917
- Luidia prionota fisher, 1913
- Luidia quinaria von Martens, 1865
- Luidia sagamina Döderlein, 1920
- Luidia sarsii Düben & Koren, in Düben, 1845
- Luidia savignyi (Audouin, 1826)
- Luidia senegalensis (Lamark, 1816)
- Luidia sibogae Döderlein, 1920
- Luidia superba AH Clark, 1917
- Luidia tessellata Lutken, 1859
- Luidia yesoensis Goto, 1914
Photo
Luidia clathrata
Luidia australiae
Luidia magnifica , bottom side
Luidia quinaria
Luidia ciliaris
Luidia senegalensis
Notes
- ↑ The life of animals. Volume 2. Shellfish. Echinoderms. Pogonofory. Maxillary. Semi-chord. Chordates. Arthropods. Crustaceans / ed. R.K. Pasternak, ch. ed. V.Ye. Sokolov . - 2nd ed. - M .: Education, 1988 .-- S. 209. - 447 p. - ISBN 5-09-000445-5
- ↑ Mah, CL (2013). World Asteroidea database: Mah, C .; Danis, B .; Hansson, H. (2013). Luidiidae Sladen, 1889 . WoRMS - World Register of Marine Species . Retrieved February 28, 2014.
- ↑ Mah, CL (2013). World Asteroidea database: Mah, C .; Hansson, H. (2013). Luidia Forbes, 1839 . WoRMS - World Register of Marine Species . Retrieved February 28, 2014.
Literature
- Life of animals. Volume 2. Shellfish. Echinoderms. Pogonofory. Maxillary. Semi-chord. Chordates. Arthropods. Crustaceans / ed. R.K. Pasternak, ch. ed. V. E. Sokolov . - 2nd ed. - M .: Education, 1988 .-- S. 209. - 447 p. - ISBN 5-09-000445-5