Family Pinnidae : 3 Genus
 1/3  Genus Atrina : 31 Species 
   1/31 Atrina amazonica
   2/31 Atrina assimilis
   3/31 Atrina chautardi
   4/31 Atrina chinensis
   5/31 Atrina cumingii
   6/31 Atrina exusta
   7/31 Atrina fragilis
   8/31 Atrina hystrix
   9/31 Atrina inflata
   10/31 Atrina japonica
   11/31 Atrina kinoshitai
   12/31 Atrina lischkeana
   13/31 Atrina marquesana
   14/31 Atrina maura
   15/31 Atrina oldroydii
   16/31 Atrina pectinata
   17/31 Atrina penna
   18/31 Atrina pini
   19/31 Atrina recta
   20/31 Atrina rigida
   21/31 Atrina seminuda
   22/31 Atrina serra
   23/31 Atrina serrata
   24/31 Atrina squamifera
   25/31 Atrina strangei
   26/31 Atrina tasmanica
   27/31 Atrina teramachii
   28/31 Atrina texta
   29/31 Atrina tuberculosa
   30/31 Atrina vexillum
   31/31 Atrina zelandica
 2/3  Genus Pinna : 31 Species 
   1/31 Pinna angustana
   2/31 Pinna atropurpurea
   3/31 Pinna attenuata
   4/31 Pinna bichi
   5/31 Pinna bicolor
   6/31 Pinna carnea
   7/31 Pinna cellophana
   8/31 Pinna deltodes
   9/31 Pinna dolabrata
   10/31 Pinna electrina
   11/31 Pinna epica
   12/31 Pinna evexa
   13/31 Pinna exquisita
   14/31 Pinna fimbriatula
   15/31 Pinna incurva
   16/31 Pinna linguafelis
   17/31 Pinna madida
   18/31 Pinna menkei
   19/31 Pinna muricata
   20/31 Pinna nembia
   21/31 Pinna nobilis
   22/31 Pinna papyracea
   23/31 Pinna pereria
   24/31 Pinna rapanui
   25/31 Pinna rudis
   26/31 Pinna rugosa
   27/31 Pinna sanguinolenta
   28/31 Pinna trigonalis
   29/31 Pinna trigonium
   30/31 Pinna trindadis
   31/31 Pinna wayae
 3/3  Genus Streptopinna : 1 Species 
   1/1 Streptopinna saccata
63 Species in Pinnidae 

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