Elpidia


Elpidia is a genus of deep-sea sea cucumbers. Members are characterised by their rod-shaped spicules which each have two pairs of obliquely placed horizontal arms and two vertical apophyses. There is a high degree of endemism in this genus with different species occupying different deep sea basins or regions.

Species

The following species are recognised in the genus Elpidia:
  • Elpidia adenensis Belyaev, 1971
  • Elpidia antarctica Belyaev, 1971
  • Elpidia atakama Belyaev, 1971
  • Elpidia belyaevi Rogacheva, 2007
  • Elpidia birsteini Belyaev, 1971
  • Elpidia chilensis Belyaev, 1971
  • Elpidia decapoda Belyaev, 1975
  • Elpidia echinata
  • Elpidia glacialis Théel, 1876
  • Elpidia gracilis Belyaev, 1975
  • Elpidia heckeri Baranova, 1989
  • Elpidia javanica Belyaev, 1971
  • Elpidia kermadecensis Hansen, 1956
  • Elpidia kurilensis Baranova & Belyaev in Belyaev, 1971
  • Elpidia lata Belyaev, 1975
  • Elpidia longicirrata Belyaev, 1971
  • Elpidia minutissima Belyaev, 1971
  • Elpidia ninae Belyaev, 1975
  • Elpidia solomonensis Hansen, 1956
  • Elpidia soyoae Ogawa, Morita & Fujita, 2020
  • Elpidia sundensis Hansen, 1956
  • Elpidia theeli Hansen, 1956
  • Elpidia uschakovi Belyaev, 1971