title: Lyonsiella
text: Lyonsiella is een geslacht van tweekleppigen uit de  familie van de Lyonsiellidae.
  
  Soort 
   Lyonsiella abscissa Pelseneer, 1911
   Lyonsiella abyssicola (Sars G. O., 1872)
   Lyonsiella agulhasensis (Thiele & Jaeckel, 1931)
   Lyonsiella aotearoa Dell, 1995
   Lyonsiella curta Poutiers, 1984
   Lyonsiella fragilis Allen & Turner, 1974
   Lyonsiella frielei Allen & Turner, 1974
   Lyonsiella galatheae (Knudsen, 1970)
   Lyonsiella horrida (Allen & Turner, 1974)
   Lyonsiella magnifica Dall, 1913
   Lyonsiella otamatea (Laws, 1939) †
   Lyonsiella pacifica Dall, 1908
   Lyonsiella parva Okutani, 1962
   Lyonsiella perplexa Allen & Turner, 1974
   Lyonsiella pipoca Oliveira & Absalão, 2010
   Lyonsiella quadrata Hedley, 1907
   Lyonsiella quaylei F. R. Bernard, 1969
   Lyonsiella sinuosa (Jeffreys, 1882)
   Lyonsiella smidti Friele, 1886
   Lyonsiella subquadrata (Jeffreys, 1882)
  
  Lyonsiellidae