Echinocardium pennatifidum

Echinocardium pennatifidum is a species of sea urchin in the family Loveniidae, chiefly found in the northeast Atlantic region.[2][3]

Echinocardium pennatifidum
Specimen recorded off Torbay
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Order: Spatangoida
Family: Loveniidae
Genus: Echinocardium
Species:
E. pennatifidum
Binomial name
Echinocardium pennatifidum
Norman, 1868
Synonyms[1]
  • Amphidetus pennatifidus (Norman, 1868)
  • Echinocardium pinnatifidum Norman, 1868
  • Echinocardium gibbosus Barrett, 1857 non L. Agassiz & Desor, 1847

Description

Echinocardium pennatifidum is up to 7 cm (2.8 in) long.[4] 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.[5] The specific name means "cut into the shape of a feather."[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 150 m (490 ft).[4]

References

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