Liste des auteurs étudiés
Giesbrecht, 1891; 1892 (p.648, 658, 771, fig.F); Wolfenden, 1911 (p.359); Lehnhofer, 1926 (p.132, 141, figs.F,M); Farran, 1929 (p.211, 291); Farran, 1936 a (p.134); Lysholm & al., 1945 (p.44); Sewell, 1947 (p.269); Paiva, 1971 (p.43, figs.M); Zheng & al., 1982 (p.131, figs.F,M); Chihara & Murano, 1997 (p.992, Pl.231,232: F,M); Boxshall, 1998 (p.228); Bradford-Grieve & al., 1999 (p.887, 972, figs.F,M); Boxshall & Halsey, 2004 (p.653); Vives & Shmeleva, 2010 (p.356, figs.F,M,
Rem.)