[organisms]
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Phylum Mollusca Linnaeus, 1758 - molluscs
    
 Class Bivalvia Linnaeus, 1758 - bivalves
      
 Family Spinulidae Allen & Sanders, 1982
 see Family Bathyspinulidae Coan & Valentich-Scott, 1997
        
 1 Genus Bathyspinula Filatova, 1958