A new subfamily of Polynoidae,
Eulagiscinae, is established for
Eulagisca McIntosh, to include the type species
E. corrientis,
E. gigantea Monro,
E. puschkini Averincev, and two new species,
E. uschakovi and
E. macnabi, all from the Antarctic and Subantarctic regions, and the new genus
Pareulagisca for
P. panamensis (Hartman), new combination, from the central Pacific Panama region.