Comparison between Pyrgulina craticulata (Issel, 1869) and Spiralinella incerta (Milaschewitsch, 1916) A–I Pyrgulina craticulata, Ashqelon, Israel, HELM project (sample S58_3F): front (A, B) and back (C, D) views, aperture and details of the sculpture on the base (E), top view (F), detail of the protoconch-teleoconch transition (G), apical view of the protoconch (H) and detail of the sculpture of the body whorl (I) J–N Spiralinella incerta, west of Rosh HaNikra Islands, Israel, HELM project (sample S14_4F): front (J, K) and back (L, M) views, detail of the sculpture of the body whorl (N). Scale bars: 0.5 mm (A–D, J–M); 0.2 mm (E, F, I, N); 0.1 mm (G, H).

  Part of: Albano PG, Steger J, Bakker PAJ, Bogi C, Bošnjak M, Guy-Haim T, Huseyinoglu MF, LaFollette PI, Lubinevsky H, Mulas M, Stockinger M, Azzarone M, Sabelli B (2021) Numerous new records of tropical non-indigenous species in the Eastern Mediterranean highlight the challenges of their recognition and identification. ZooKeys 1010: 1-95.