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Description of a new Apertifusus (Mollusca: Gastropoda: Fasciolariidae), followed by an in-depth look to other species of the family Fasciolariidae in Gabonese, Angolan and Namibian waters, pp. 1-22, 1 map, 6 text figs, 2 tables, pls I-X, by Frank Nolf

Abstract: A new Apertifusus from Angola is described and compared with its congeners from the same waters. A survey of Angolan and Gabonese species of the family FASCIOLARIIDAE makes it clear that there is very little difference between Viridifusus albinus (A. Adams, 1856) and large specimens of V. mollis (G.B. Sowerby III, 1913). Another comparison reveals that Apertifusus maritzaallaryae (Cossignani & Allary, 2019) is a junior synonym of A. caparti (Adam & Knudsen, 1955).

Keywords: Mollusca, Gastropoda, FASCIOLARIIDAE, Apertifusus, new species, Angola, E Atlantic.

A commented list of the white, mainly deep-water calliostomatids (Mollusca: Gastropoda) in the East Atlantic waters, pp. 23-40, pls I-IX, by Frank Nolf & Steve Hubrecht

Abstract: After the introduction of a few new species in the family CALLIOSTOMATIDAE (Nolf & Hubrecht, 2022a & 2022b) an overview is presented of the white coloured deep-water calliostomatids in East Atlantic waters.

Keywords: Mollusca, Gastropoda, CALLIOSTOMATIDAE, E Atlantic.