Echinocardium pennatifidum explained

Echinocardium pennatifidum is a species of sea urchin in the family Loveniidae, chiefly found in the northeast Atlantic region.[1] [2]

Description

Echinocardium pennatifidum is up to long.[3] It has coarser, more regularly arranged spines than other Echinocardium. The frontal ambulacrum is flush with the front of the heart-shaped test. It has a short labrum, not reaching the second pair of ambulacral plates.[4] The specific name means "cut into the shape of a feather."[5] This species is critically distinguished from Echinocardium flavescens by its short labrum and the absence of larger spines in the interambulacral areas of the upper side of the test. Up to 7cm in length.[6]

Distribution

Found in the waters off Great Britain, Ireland, the North Sea and associated islands.[7]

Ecology

Echinocardium pennatifidum buries itself in coarse sand or fine shell gravel in the sublittoral, from low on shore to depths of .[3]

Notes and References

  1. 1. Ecological Surveys and the Relations of Animals to Habitat Conditions. 1966. Journal of Animal Ecology. 35. 3. 574–579. JSTOR. 10.2307/2502. 2502 .
  2. Web site: Natural History Transactions of Northumberland and Durham: Being Papers Read at the Meetings of the Natural History Society of Northumberland, Durham and Newcastle-upon-Tyne, and the Tyneside Naturalists' Field Club. Natural History Society of Northumberland, Durham, and. Newcastle-upon-Tyne. April 17, 1867. Williams & Norgate. Google Books.
  3. Web site: WoRMS - World Register of Marine Species - Echinocardium pennatifidum Norman, 1868. www.marinespecies.org.
  4. Web site: Echinocardium pennatifidum - Marine Life Encyclopedia. www.habitas.org.uk.
  5. Web site: A Portable Latin for Gardeners: More Than 1,500 Essential Plant Names and the Secrets They Contain. James. Armitage. February 22, 2017. University of Chicago Press. Google Books.
  6. Web site: Echinocardium pennatifidum - Marine Life Encyclopedia . 2024-08-15 . www.habitas.org.uk.
  7. Web site: Echinocardium pennatifidum | NBN Atlas. species.nbnatlas.org.

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