Pirenella inconstans

Harzhauser, Mathias, Guzhov, Aleksandr & Landau, Bernard, 2023, A revision and nomenclator of the Cainozoic mudwhelks (Mollusca: Caenogastropoda: Batillariidae, Potamididae) of the Paratethys Sea (Europe, Asia), Zootaxa 5272 (1), pp. 1-241 : 184

inconstans . Cerithium . auctores [non de Basterot, 1825]

see Tiaracerithium pictum (de Basterot, 1825)

Cerithium inconstans Bast. — Pusch 1837: 148 [non de Basterot, 1825].

[ Cerithium ] inconstans Bast. — Hauer 1837: 419 [non de Basterot, 1825].

Cerithium inconstans — Naumann 1852: plate captions, pl. 69, fig. 19 [non de Basterot, 1825].

Cerithium inconstans — Quenstedt 1884: 500, pl. 204, figs 81–85 [non de Basterot, 1825].

Discussion. Cerithium inconstans de Basterot, 1825 is a junior subjective synonym of Granulolabium plicatum (Bruguière, 1792) ( Lozouet et al. 2001a: 27) . The illustrated Paratethyan records of Cerithium inconstans , however, represent synonyms of Tiaracerithium pictum .