An annotated check-list is given of Polychaeta species occurring deeper than 2000 m in the seas bordering Europe.

An annotation is given for the species <i>Rokopella brummeri</i> (Goud et Gittenberger, 1993), the only monoplacophoran species occurring deeper than 2000 m in the seas bordering Europe. The species is known only from the type locality in the northeast Atlantic.

An annotated check-list is given of Xenophyophores species occurring deeper than 2000 m in the seas bordering Europe.

An annotated check-list is given of Scleractinia species occurring deeper than 2000 m in the seas bordering Europe.

An annotated check-list is given of Porifera species occurring deeper than 2000 m in the seas bordering Europe.

An annotated check-list is given of Holothuroidea species occurring deeper than 2000 m in the seas bordering Europe.

An annotated check-list is given of Pycnogonida species occurring deeper than 2000 m in the seas bordering Europe.

An annotation is given for the species Cerianthus vogti Danielssen, 1890, the only ceriantharian species occurring deeper than 2000 m in the seas bordering Europe.

An annotated check-list is given of Brachiopoda species occurring deeper than 2000 m in the seas bordering Europe.