FIGURE 1. Analyzed measurements and a groundplan of the morphological structures in the species of Tanidromites on the example of T. alexandrae (after Starzyk, 2015a, figure 1). Further explanation in text (ag - anterior groove, hp - hepatic pit, ht - hepatic tubercle, cp - cervical pit). Abbreviations for the measurements are in the Material and Methods.

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FIGURE 2. Anterior part of the carapace and the augenrest in Tanidromites spp. The area of augenrest is shaded.

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FIGURE 3. Tanidromites longinosa n. sp. 1, paratype (#6239, Ogrodzieniec) (cp - cervical pit); 2, specimen (#6242, Ogrodzieniec); 3, 4, upper orbital margin (3 - #2725 Bzów; 4 - #1908, Bzów); 5, 6, augenrest, anterior view (5 - #6302, Kroczyce; 6 - #1908, Bzów); 7, lateral view (#6238, Kroczyce); 8, holotype (#6307, Ogrodzieniec). Scale bars equal 1 mm.

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FIGURE 4. Tanidromites wysokaensis n. sp. 1, paratype (#6260, Ogrodzieniec); 2, holotype (#6240, Ogrodzieniec); 3, paratype (#6263, Niegowonice); 4, anterior part of the carapace (paratype, #6263, Niegowonice); 5, lateral view (#6240, Ogrodzieniec); 6, 7, augenrest, anterior view (6 - #6263, Niegowonice; 7 - #6240, Ogrodzieniec); 8, anterior part of the carapace (holotype, #6240, Ogrodzieniec). ht - hepatic tubercle. Scale bars equal 1 mm.

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FIGURE 5. Tanidromites schweitzerae n. sp. 1, holotype (#4515, Niegowonice); 2, specimen (#4562, Niegownice); 3, lateral view (#4562, Niegowonice); 4, rostrum (holotype #4515, Niegowonice); 5, augenrest, view from above (holotype #4515, Niegowonice); 6, specimen (#6249, Niegowonice). Scale bars equal 1 mm.

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