Taxonomic studies on the marine mollusca of southern Africa and Mozambique. Part 1

Twenty-one new species are described: Acmaea (Tectura) maraisi (Acmaeidae); Solariella durbanensis, Gibbula (Calliotrochus) cummingae (Trochidae); Parviturboides habrotima, Uzamakiella natalensis (Vitrinellidae); Couthouyia pasithea, C. mzambana (Fossaridae); Rissopsis tuba (Rissoidae); Epitonium pteroen (Epitoniidae); Heliacus (Mangonuia) smithae (Architectonicidae); Coralliophila (Liniaxis) groschi (Coralliophilidae); Mitrella graevei (Columbellidae); Kanamarua rehderi (Buccinidae); Volvarinella procrita, Marginella stuarti, M. youngi, M. nevillana (Marginellidae); Paracuneus cockae, Tritonoturris obesa, T. phaula, lsodaphne albolineata (Turridae). New synonyms: Nerita tomlini Turton, 1933 = Neritina auriculata Lamarck, 1816 (Neritidae); Fossarus globulosus Turton, 1932 = Couthouyia il/certa (Turton, 1932) (Fossaridae); Epidromus crebrilirata Sower by, 1903 = Nivitriton fictilis (Hinds, 1844) (Buccinidae); Columbella dibolos Barnard, 1964 = Mitrolumna stepheni (Melvill & Standen, 1897) (Turridae); Lithophaga barnardi Boshoff, 1965 = L. lima (Lamy, 1919) (Mytilidae). New combinations: Spectamen!ral/ciscal/a (Barnard, 1963) -ex Solariella; Oxystele tigrina (Anton, 1839)-ex 'Chemnitz' (non-binomial) (Trochidae); Brookula gemmula (Turton, 1932)-ex Sealaria; Liotella cancellata (Krauss, 1848)-ex Solarium (Cyclostrematidae); Orbitestella gemmulata (Turton, 1932) -ex Homalogyra (Orbitestellidae); Couthouyia incerta (Turton, 1932) -ex Fossarus (Fossaridae); Coralliophila (RllOmbothais) rosacea (E. A. Smith, 1903)-ex Latiaxis (Coralliophilidae); NivitritOIl fictilis (Hinds, 1844)-ex Colubraria (Buccinidae); Paracuneus platystoma (E. A. Smith, 1877)-ex Drillia, Tritonoturris natalensis (Barnard, 1958)-ex Phi/bertia, Mitrolumna stepheni (Melvill & Standen, 1897)-ex Mitromorpha (Turridae). New records: Turcica stellata A. Adams, 1864, Ethalia striolata A. Adams, 1855 (Trochidae); Neritina auriculata Lamarck, 1816 (Neritidae); Sigaretornus planlls (A. Adams, 1850) (Vitrinellidae); Strombus wilsolli Abbott, 1967 (Strombidae); Coralliophila erosa (Roding, 1798), C. violacea (Kiener, 1836), C. costularis (Lamarck, 1822), C. squamosissima (E. A. Smith, 1876), Quoyula monodonta (Blainville, 1832), Rapa rapa (Linne, 1758), Magilus antiquus Montfort, 1810 (Coralliophilidae); Kermia tessellata (Hinds, 1843), Daphnella lymneijormis (Kiener, 1840), D. rissoides (Reeve, 1843), D. delicata (Reeve, 1846), D. cyc/ophora (Deshayes, 1863), Mitrolumlla stepheni (Melvill & Standen, 1897) (Turridae); Lithophaga zitteliana Dunker, 1882, L. lima (Lamy, 1919) (Mytilidae); Hiatula c10uei Bertin, 1880 (Psammobiidae); Petricola madreporica (Jousseaume, 1859) (Petricolidae). Rejected records: Umbonium vestiarum (Linne; 1758) (Trochidae); Petricola lajonkairei Payraudeau, 1826, based on P. divergens (Gmelin, 1791), juv. (Petrico