* PycnoBase: World list of Pycnogonida* Introduction to the Pycnogonida* Images of Pycnogonida, and Pycnogonids in literature* Bibliography (compiled by Franz Krapp)
== References ==== External links ==*PycnoBase: World list of Pycnogonida*Introduction to the Pycnogonida*Images of Pycnogonida, and Pycnogonids in literature*Bibliography (compiled by Franz Krapp)*Macrobenthos of the North sea, Pycnogonida