Neptunea 4(5)

NP4-5-coverA new species of Bolma (GASTROPODA: TURBINOIDEA: TURBINIDAE) from Angola, pp.1-7, plates I-III by Frank Nolf.

Bolma christianeae sp. nov. from off Quicombo, Angola is described and figured. This species is compared with Bolma jacquelineae (Marche-Marchad, 1957) and Bolma johnsoni (Odhner, 1923).

Key words: Bolma christianeae sp.nov., TURBINIDAE, Angola, new taxon.

Nucula mariae (BIVALVIA: NUCULOIDEA: NUCULIDAE) a new species from Angolan waters, pp.8-11, plates I-X by Frank Nolf.

Nucula mariae sp. nov. from Angola is described and figured. This species is compared with N. sulcata Bronn, 1831, the latter living from the Lofoten Islands (Norway), south to the Iberian Peninsula, into the Mediterranean Sea and along the Atlantic coast of Morocco to Senegal.

Key words: Nucula mariae sp. nov., NUCULIDAE, Angola, new taxon.

About the presence of Limaria rotundata (Sowerby G.B. II, 1843) (BIVALVIA: PECTINOIDEA: LIMIDAE) off the coast of Angola, pp.22-24, plates I-VI by Frank Nolf.

For the first time, Limaria rotundata (Sowerby G.B. II, 1843) is mentioned as living in West Africa, namely in the coastal waters of Angola. This species is compared with the similar Indo Pacific species L. fragilis (Gmelin, 1791) and its Mediterranean-West African neighbour Limaria tuberculata (Olivi, 1792), all three have always been confused in recent literature.

Key words: Limaria rotundata, Limaria tuberculata, LIMIDAE, Angola.