Stylocidaris affinis, also known as pencil urchin or red lance urchin,[1] is a species of sea urchin.

Stylocidaris affinis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Order: Cidaroida
Family: Cidaridae
Genus: Stylocidaris
Species:
S. affinis
Binomial name
Stylocidaris affinis
Philippi, 1845
Synonyms
  • Cidaris affinis Philippi, 1845
  • Cidaris stokesii L. Agassiz in L. Agassiz & Desor, 1846
  • Leiocidaris affinis (Philippi, 1845)
  • Leiocidaris stokesii (L. Agassiz in L. Agassiz & Desor, 1846)
  • Orthocidaris affinis (Philippi, 1845)
  • Tretocidaris affinis (Philippi, 1845)

It can be found in Bermuda, Caribbean Sea, Gulf Of Mexico, and the Mediterranean Sea.[1] It occurs on circalittoral and deep sedimentary bottoms near Malta.[2][3]

References

edit
  1. ^ a b "pencil urchin - Encyclopedia of Life". eol.org. Retrieved 2021-11-10.
  2. ^ "WoRMS - World Register of Marine Species - Stylocidaris affinis (Philippi, 1845)". www.marinespecies.org. Retrieved 2021-11-10.
  3. ^ Terribile, K.; Schembri, P. J. (2013). Depth distribution of Cidaris cidaris (Linnaeus, 1758) and Stylocdaris affinis (Philippi, 1845)(Echinodermata, Echinoidea) around the Maltese Islands (PDF) (Report). Commission Internationale pour l'Exploration Scientifique de la Mer Mediterranee.