Traits Taxon list
Allogramma elegans (Jaeckel & Thiele, 1931)
Allogramma formosa (Jeffreys, 1882)
Allogramma oahuense (Dall, 1913)
Dallicordia bernardi Safonova & Krylova, 2020
Lyonsiella abyssicola (G. O. Sars, 1872)
Lyonsiella aotearoa Dell, 1995
Lyonsiella curta Poutiers, 1984
Lyonsiella fragilis Allen & J. F. Turner, 1974
Lyonsiella frielei Allen & J. F. Turner, 1974
Lyonsiella galatheae (Knudsen, 1970)
Lyonsiella horrida (Allen & J. F. Turner, 1974)
Lyonsiella magnifica Dall, 1913
Lyonsiella magnifica Dall, 1923 (accepted > unreplaced junior homonym )
Lyonsiella otamatea (Laws, 1939) †
Lyonsiella pacifica Dall, 1908
Lyonsiella parva Okutani, 1962
Lyonsiella perplexa Allen & J. F. 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)
Policordia (Policordia) lisbetae Knudsen, 1970 represented as Policordia lisbetae Knudsen, 1970
Policordia alaskana (Dall, 1895)
Policordia angelika (K. Linse, 2002)
Policordia atlantica Allen & J. F. Turner, 1974
Policordia cordata (A. E. Verrill & K. J. Bush, 1898)
Policordia densicostata (Locard, 1898)
Policordia diomedea Dall, Bartsch & Rehder, 1938
Policordia extenta Ivanova, 1977
Policordia gemma (A. E. Verrill, 1880)
Policordia grandis (E. A. Smith, 1885)
Policordia hispida Safonova & Barwick, 2016
Policordia insolita Allen & J. F. Turner, 1974
Policordia ivanovae Poutiers & Bernard, 1995
Policordia jeffreysi (Friele, 1879)
Policordia laevigata Ivanova, 1977
Policordia laevis Allen & R. D. Turner, 1974
Policordia lisbetae Knudsen, 1970
Policordia maculata Ivanova, 1977
Policordia media (Okutani, 1962)
Policordia murrayi (Knudsen, 1967)
Policordia obliqueovata Ivanova, 1977
Policordia ochotica Scarlato, 1981
Policordia olivacea Poutiers & Bernard, 1995
Policordia ovata Ivanova, 1977
Policordia papyracea (E. A. Smith, 1885)
Policordia pilula (Pelseneer, 1911)
Policordia radiata (Dall, 1889)
Policordia rectangulata Ivanova, 1977
Policordia subrotundata Ivanova, 1977
Policordia uschakovi (Gorbunov, 1946)