| 词条 | Eucidaris thouarsii |
| 释义 |
| name = Slate pencil urchin | image = Eucidaris thouarsii Cortez.jpg | image_caption = Eucidaris thouarsii in the Gulf of California | regnum = Animalia | phylum = Echinodermata | classis = Echinoidea | subclassis = Perischoechinoidea | ordo = Cidaroida | familia = Cidaridae | genus = Eucidaris | species = E. thouarsii | binomial = Eucidaris thouarsii | binomial_authority = (Agassiz & Desor, 1846) }} The slate pencil urchin, Eucidaris thouarsii, is a species of cidaroid sea urchins that inhabits littoral regions of the East Pacific Ocean.[1][2] Distribution and habitatE. thouarsii is found in the East Pacific at depths of {{convert|0|-|45|m|ft|abbr=on}}, ranging from Baja California to Panama, as well as Cocos Island, Clipperton Island and the Galápagos Islands.[3][4][5] The Galápagos, Clipperton and Cocos populations are now often recognized as a separate species, E. galapagensis, instead of a subspecies of E. thouarsii.[6]References1. ^{{cite web| url = http://eol.org/pages/600977/| title = Details for: Eucidaris thouarsii| accessdate = 2013-07-23| author = Encyclopedia of Life| authorlink = eol.org| publisher = Encyclopedia of Life}} 2. ^{{cite web|url=http://www.marinespecies.org/echinoidea/aphia.php?p=taxdetails&id=513266| title = Details for: Eucidaris thouarsii| accessdate = 2013-07-23|author1=Kroh, A. |author2=Mooi, R.|publisher=World Echinoidea Database}} 3. ^Glynn, Wellington, and Birkeland (1979). Coral reef growth in the Galapagos: limitation by sea urchins. Science. 203(4375): 47-49. 4. ^Natural History Museum: Eucidaris thouarsii. The Echinoid Directory. Retrieved 11 September 2014. 5. ^Reyes-Bonilla, and Calderon-Aguilera (2002). Population Density, Distribution and Consumption Rates of Three Corallivores at Cabo Pulmo Reef, Gulf of California, Mexico. Marine Ecology 20(3-4). 6. ^Lessios, Kessing, Robertson, and Paulay (1999). Phylogeography of the pantropical sea urchin Eucidaris in relation to land barriers and ocean currents. Evolution 53: 806-817. External links
2 : Animals described in 1846|Cidaridae |
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