Arbacia

Arbacia is a genus of sea urchins, widespread in the Atlantic and eastern Pacific oceans.

Arbacia Temporal range: Miocene–Recent[1] PreꞒ Ꞓ O S D C P T J K Pg N
Arbacia lixula
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Order:	Arbacioida
Family:	Arbaciidae
Genus:	Arbacia Gray, 1835

Test of an Arbacia lixula.

Species

According to the World Register of Marine Species this genus includes the following species:

• Arbacia abiquaensis Linder, Durham & Orr, 1988 †
• Arbacia crenulata Kier, 1963 † (Miocene, east coast of USA)
• Arbacia dufresnii (Blainville, 1825) (Patagonia and Antarctica)
• Arbacia lixula (Linnaeus, 1758) (Mediterranean)
• Arbacia nigra Molina, 1782
• Arbacia punctulata (Lamarck, 1816) (Caribbean)
• Arbacia rivuli Cooke, 1941a † (Pliocene, east coast of USA)
• Arbacia spatuligera (Valenciennes, 1846) (Peru and Chile)
• Arbacia stellata (Blainville, 1825; ?Gmelin, 1788) (East Pacific)
• Arbacia waccamaw Cooke, 1941a † (Pliocene, east coast of USA)

• 
  Arbacia punctulata
• 
  Arbacia lixula