Cancellaria varicosa [sic] † accepted as Sveltia varricosa (Brocchi, 1814) † (basis of record)
Cardium conjungens M. Hörnes, 1861 † accepted as Lymnocardium conjungens (M. Hörnes, 1861) † (additional source)
Cerithium bilineatum M. Hörnes, 1848 † accepted as Dizoniopsis bilineata (M. Hörnes, 1848) † (original description)
Mitra buccinula Hauer, 1837 † accepted as Ebenomitra leucozona (Andrzejowski, 1830) † (additional source)
Murex (Muricidea) czjzeki R. Hoernes & Auinger, 1885 † accepted as Favartia czjzeki (R. Hoernes & Auinger, 1885) † (original description (unavailable nomenclaturally))
Pecten incrassatus Partsch, 1848 † accepted as Oopecten solarium (Lamarck, 1819) † (original description)
Pleurotoma contribulis M. Hörnes, 1848 † (original description)
Pollia barrandei R. Hoernes & Auinger, 1890 † accepted as Orania cheilotoma (R. Hoernes & Auinger, 1890) † accepted as Orania agapus (De Gregorio, 1885) † (original description (unavailable nomenclaturally))
Pollia cheilotoma R. Hoernes & Auinger, 1890 † accepted as Orania agapus (De Gregorio, 1885) † (original description (unavailable nomenclaturally))
Tritonium partschii M. Hörnes, 1848 † accepted as Charonia lampas (Linnaeus, 1758) (original description)
Trochus basterotii M. Hörnes, 1848 accepted as Gibbula adriatica (R. A. Philippi, 1844) accepted as Steromphala adriatica (R. A. Philippi, 1844) (original description)

 Authority

 for Nerita (Neritina) pachii Handmann, 1889 †

Authorship often attributed to M. Hörnes based on the first mention in Hörnes in Czjzek (1848). However, there ... [details]