Cerithium inaequinodosum, Schaffer, 1912

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

inaequinodosum . Cerithium ( Granulolabium) . Schaffer, 1912

see Granulolabium plicatum (Bruguière, 1792)

* Cerithium ( Granulolabium) inaequinodosum Schff. — Schaffer 1912: 153, pl. 51, figs 51–53.

Type material. Lectotype designated herein: F/1150, SL: 21.8 mm, MD: 7.9 mm, Krahuletz Museum ( Eggenburg, Austria), specimen illustrated in Schaffer (1912: pl. 51, fig. 53).

Type locality. Nonndorf ( Austria) .

Stratigraphy. Early Miocene, Eggenburgian.

Discussion. This species is a rare morphotype of Granulolabium plicatum , with densely spaced, spirally elongated beads. It co-occurs with typical G. plicatum at Maria Dreieichen and Nonndorf ( Austria) and there is little reason to treat these shells as separate taxon.

Central Paratethys. Eggenburgian (Early Miocene): North Alpine Foreland Basin: Belpberg ( Switzerland) (Pfister & Wegm̧ller 2007); Maria Dreieichen, Nonndorf ( Austria) ( Schaffer 1912).