A faunistic survey of the Belgian marine molluscs: a first progress report

a Thraoia papyraoea. For several other species, detailed information on their distribution in Belgium is now also available (e.g. for the l Littorinidae). All our distributional data will be incorporated in the "Sea Area Atlas" edited by D.R. SEAWARD (the Belgian marine B to the sea areas S 13 and S53). The final purpose of * fauna pertains this faunistic survey will be the publication of a "Fauna of the Belgian marine molluscs", in addition to a series of specialised l