An annotated checklist of the Ceramiales (Rhodophyceae; red algae) of the M
editerranean, based on literature records, is given. The distribution of ea
ch taxon in the area (which is divided into 16 regions) is reported. The nu
mber of species and infraspecific taxa of this group accepted for the Medit
erranean Sea as currently recognised taxonomically is 271. This list has be
nefited from the suggestions on taxonomy, nomenclature and regional distrib
ution made by phycological advisers for each region.