title: Lyonsiellidae
text: # Lyonsiellidae
  
  Lyonsiellidae is a taxonomic family of marine bivalve molluscs in the superfamily Verticordioidea.
  
  ## Genera
  
  Genera within the family Lyonsiellidae include:
  
  * Allogramma Dall, 1903
  * Dallicordia Scarlato & Starobogatov, 1983
  * Lyonsiella G.O. Sars, 1872
  * Policordia Dall, Bartsch & Rehder, 1938
  