Family Echinometridae : 9 Genus
 1/9  Genus Caenocentrotus : 1 Species 
   1/1 Caenocentrotus gibbosus
 2/9  Genus Colobocentrotus : 2 Subgenus 
   1/2  Subgenus Colobocentrotus (Colobocentrotus) : 1 Species 
     1/1 Colobocentrotus (Colobocentrotus) mertensii
   2/2  Subgenus Colobocentrotus (Podophora) : 2 Species 
     1/2 Colobocentrotus (Podophora) atratus
     2/2 Colobocentrotus (Podophora) pedifer
 3/9  Genus Echinometra : 10 Species 
   1/10 Echinometra insularis
   2/10 Echinometra lucunter
   3/10 Echinometra mathaei
   4/10 Echinometra oblonga
   5/10 Echinometra sp. A
   6/10 Echinometra sp. C
   7/10 Echinometra sp. E
   8/10 Echinometra sp. EE
   9/10 Echinometra vanbrunti
   10/10 Echinometra viridis
 4/9  Genus Echinostrephus : 2 Species 
   1/2 Echinostrephus aciculatus
   2/2 Echinostrephus molaris
 5/9  Genus Evechinus : 1 Species 
   1/1 Evechinus chloroticus
 6/9  Genus Heliocidaris : 6 Species 
   1/6 Heliocidaris australiae
   2/6 Heliocidaris bajulus
   3/6 Heliocidaris crassispina
   4/6 Heliocidaris erythrogramma
   5/6 Heliocidaris robertsi
   6/6 Heliocidaris tuberculata
 7/9  Genus Heterocentrotus : 2 Species 
   1/2 Heterocentrotus mamillatus
   2/2 Heterocentrotus trigonarius
 8/9  Genus Selenechinus : 1 Species 
   1/1 Selenechinus armatus
 9/9  Genus Zenocentrotus : 2 Species 
   1/2 Zenocentrotus kellersi
   2/2 Zenocentrotus paradoxus
28 Species in Echinometridae 

(Extracted from WoRMS on November 2025)
NB: status "accepted" and "extant, not fossile-only"