Figure 23 from: Albano PG, Bakker PAJ, Janssen R, Eschner A (2017) An illustrated catalogue of Rudolf Sturany's type specimens in the Naturhistorisches Museum Wien, Austria (NHMW): Red Sea gastropods. Zoosystematics and Evolution 93(1): 45-94. https://doi.org/10.3897/zse.93.10039

Figure 23 - Pleurotoma siebenrocki Sturany, 1900, Station 76 (Sanafir Island, Strait of Tiran, Red Sea). A. Original figure by Sturany (1903). B–E. Holotype, NHMW 84252: front (B), right side (C), back (D), protoconch (E). F. Original holotype label. Scale bars: B–D: 5 mm, E: 1 mm.