List of echinoderms of Ireland

There are 75 species of echinoderm (phylum Echinodermata) recorded in Ireland.[1][2][3][4]

Test (hard shell) of the sea potato
Holothuria forskali (black sea cucumber)
Ocnus planci, a sea cucumber
Amphipholis squamata (brooding snake star, dwarf brittle star)

Class Asteroidea (sea stars)

Order Forcipulatida

Family Asteriidae
Asterias rubens, the common sea star (starfish)
Spiny sea star
  • Asterias rubens (common sea star)
  • Leptasterias muelleri (northern sea star)
  • Marthasterias glacialis (spiny sea star)
  • Stichastrella rosea

Order Paxillosida

Family Astropectinidae
Astropecten irregularis on the seabed.

Family Luidiidae
Luidia ciliaris (seven-armed sea star)

Order Spinulosida

Family Echinasteridae
Henricia sanguinolenta (bloody henry)

Order Valvatida

Family Asterinidae

Family Poraniidae
Porania pulvillus: aboral and oral ends.
  • Porania pulvillus

Order Velatida

Family Solasteridae
Common sunstar
  • Crossaster papposus (common sunstar)
  • Solaster endeca (purple sunstar, northern sunstar, smooth sun star)

Class Crinoidea (sea lilies, feather stars)

Order Comatulida (feather stars)

Family Antedonidae
Rosy feather star (Antedon bifida)
Antedon petasus, a feather star
Leptometra celtica, a feather star

Class Echinoidea (sea urchins)

Order Camarodonta

Family Parechinidae
Paracentrotus lividus (purple sea urchin)

Order Clypeasteroida (sand dollars)

Family Echinocyamidae
Pea urchin (Echinocyamus pusillus)
  • Echinocyamus pusillus (pea urchin)

Order Echinoida

Family Echinidae
Echinus esculentus

Order Spatangoida (heart urchins)

Family Loveniidae

Class Holothuroidea (sea cucumbers)

Order Apodida

Family Synaptidae

Order Holothuriida

Family Holothuriidae

Order Dendrochirotida

Family Cucumariidae

Family Phyllophoridae

Class Ophiuroidea (brittle stars)

Order Ophiurida

Family Amphiuridae (long-armed burrowing brittle stars)

Family Ophiactidae

Family Ophiocomidae

Family Ophiothricidae
Ophiothrix fragilis photographed in Strangford Lough

Family Ophiuridae
gollark: To the hub!
gollark: No, they'll think "oh, my eggs are *special*".
gollark: ~~banned from DC for mildly irritating TJ09~~
gollark: Hah. Expecting TJ09 to *read emails*? What nonsense.
gollark: ~~wow, lots of magis~~

References
  1. "Species Browser".
  2. Nichols, A. R. (1902). "A List of Irish Echinoderms". Proceedings of the Royal Irish Academy, Section B. 24: 231–267. JSTOR 20516926.
  3. O'Connor, Brendan (1981). "Some Echinoderms from the West Coast New to the Irish Fauna". The Irish Naturalists' Journal. 20 (6): 247–249. JSTOR 25538494.
  4. "Details".
  • Koehler R.,1921 Echinodermes. Faune de France n°1 240 p., 153 fig.PDF(11 Mo) Identification
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