Echinometridae

Echinometridae
Heterocentrotus trigonarius
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Echinoidea
Order:	Camarodonta
Infraorder:	Echinidea
Family:	Echinometridae Gray, 1855 [1]
Genera
See text

The Echinometridae are a family of sea urchins in the class Echinoidea.

Characteristics

All Echinometridae have imperforate tubercles and compound ambulacral plates. ^[2]

Genera

• Anthocidaris A. Agassiz, 1863
• Caenocentrotus H.L. Clark, 1912
• Colobocentrotus Brandt, 1835
• Echinometra Gray, 1825
• Echinostrephus A. Agassiz, 1863
• Evechinus Verrill, 1871
• Heliocidaris L. Agassiz & Desor, 1846
• Heterocentrotus Brandt, 1835
• Selenechinus de Meijere, 1904
• Zenocentrotus A.H. Clark, 1932 ^[1]

• 
  Colobocentrotus atratus
• 
  Echinometra lucunter
• 
  Echinostrephus molaris
• 
  Evechinus chloroticus
• 
  Heliocidaris tuberculata
• 
  Heterocentrotus mammillatus

• 
  Colobocentrotus atratus dried test
• 
  Echinometra mathaei dried test
• 
  Echinostrephus molaris dried test
• 
  Evechinus chloroticus dried test
• 
  Heliocidaris tuberculata dried test
• 
  Heterocentrotus mamillatus dried test

References

1. Echinometridae Gray, 1855 in World Register of Marine Species. Retrieved 2025-09-25.
2. The Echinoid Directory The Natural History Museum. Retrieved 2011-08-27.