Polyclinidae Milne-Edwards, 1841
Sidneioides ivicense Pérès, 1957
Sidneioides japonense Redikorzev, 1913
Sidneioides peregrinus Kremer et al., 2011
Sidneioides snamoti (Oka, 1927)
Sidneioides tamaramae Kesteven, 1909