Discocelis herdmani Laidlaw, 1904 accepted as
Thalamoplana herdmani Laidlaw, 1904 (original description)
Imogine ceylanicus Laidlaw, 1904 accepted as
Stylochus ceylanicus (Laidlaw, 1904) (original description)
Leptoplana gardineri Laidlaw, 1904 accepted as
Notocomplana gardineri (Laidlaw, 1904) (original description)
Prosthiostomum singulare Laidlaw, 1904 accepted as
Lurymare singulare (Laidlaw, 1904) (original description)
Stylochocestus Laidlaw, 1904 (original description)
Stylochocestus gracilis Laidlaw, 1904 (original description)
Thalamoplana Laidlaw, 1904 (original description)
Thalamoplana herdmani Laidlaw, 1904 (original description)
Woodworthia Laidlaw, 1904 accepted as
Idioplana Woodworth, 1898 (original description)
Woodworthia insignis Laidlaw, 1904 accepted as
Idioplana insignis (Laidlaw, 1904) (original description)
Sri Lankan Exclusive Economic Zone for
Leptoplana gardineri Laidlaw, 1904
Sri Lankan Exclusive Economic Zone for
Leptoplana gardineri Laidlaw, 1904
Sri Lankan Exclusive Economic Zone for
Paraplanocera aurora Laidlaw, 1903
Sri Lankan Exclusive Economic Zone for
Paraplanocera aurora Laidlaw, 1903
Sri Lankan Exclusive Economic Zone for
Prosthiostomum singulare Laidlaw, 1904
Sri Lankan Exclusive Economic Zone for
Prosthiostomum singulare Laidlaw, 1904
Sri Lankan Exclusive Economic Zone for
Stylochocestus gracilis Laidlaw, 1904
Sri Lankan Exclusive Economic Zone for
Stylochus ceylanicus (Laidlaw, 1904)
Sri Lankan Exclusive Economic Zone for
Stylochus ceylanicus (Laidlaw, 1904)
Sri Lankan Exclusive Economic Zone for
Thalamoplana herdmani Laidlaw, 1904
Sri Lankan Exclusive Economic Zone for
Woodworthia insignis Laidlaw, 1904